218492960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:120

約数の個数: 216

約数和(自身を含む): 641855340

約数和(自身を除く): 423362380

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 31, 32, 35, 40, 49, 56, 58, 62, 70, 80, 98, 112, 116, 124, 140, 145, 155, 160, 196, 203, 217, 224, 232, 245, 248, 280, 290, 310, 392, 406, 434, 464, 490, 496, 560, 580, 620, 784, 812, 868, 899, 928, 961, 980, 992, 1015, 1085, 1120, 1160, 1240, 1421, 1519, 1568, 1624, 1736, 1798, 1922, 1960, 2030, 2170, 2320, 2480, 2842, 3038, 3248, 3472, 3596, 3844, 3920, 4060, 4340, 4495, 4640, 4805, 4960, 5684, 6076, 6293, 6496, 6727, 6944, 7105, 7192, 7595, 7688, 7840, 8120, 8680, 8990, 9610, 11368, 12152, 12586, 13454, 14210, 14384, 15190, 15376, 16240, 17360, 17980, 19220, 22736, 24304, 25172, 26908, 27869, 28420, 28768, 30380, 30752, 31465, 32480, 33635, 34720, 35960, 38440, 44051, 45472, 47089, 48608, 50344, 53816, 55738, 56840, 60760, 62930, 67270, 71920, 76880, 88102, 94178, 100688, 107632, 111476, 113680, 121520, 125860, 134540, 139345, 143840, 153760, 176204, 188356, 195083, 201376, 215264, 220255, 222952, 227360, 235445, 243040, 251720, 269080, 278690, 352408, 376712, 390166, 440510, 445904, 470890, 503440, 538160, 557380, 704816, 753424, 780332, 881020, 891808, 941780, 975415, 1006880, 1076320, 1114760, 1365581, 1409632, 1506848, 1560664, 1762040, 1883560, 1950830, 2229520, 2731162, 3121328, 3524080, 3767120, 3901660, 4459040, 5462324, 6242656, 6827905, 7048160, 7534240, 7803320, 10924648, 13655810, 15606640, 21849296, 27311620, 31213280, 43698592, 54623240, 109246480, 218492960]

約数ペア:

[(1, 218492960), (2, 109246480), (4, 54623240), (5, 43698592), (7, 31213280), (8, 27311620), (10, 21849296), (14, 15606640), (16, 13655810), (20, 10924648), (28, 7803320), (29, 7534240), (31, 7048160), (32, 6827905), (35, 6242656), (40, 5462324), (49, 4459040), (56, 3901660), (58, 3767120), (62, 3524080), (70, 3121328), (80, 2731162), (98, 2229520), (112, 1950830), (116, 1883560), (124, 1762040), (140, 1560664), (145, 1506848), (155, 1409632), (160, 1365581), (196, 1114760), (203, 1076320), (217, 1006880), (224, 975415), (232, 941780), (245, 891808), (248, 881020), (280, 780332), (290, 753424), (310, 704816), (392, 557380), (406, 538160), (434, 503440), (464, 470890), (490, 445904), (496, 440510), (560, 390166), (580, 376712), (620, 352408), (784, 278690), (812, 269080), (868, 251720), (899, 243040), (928, 235445), (961, 227360), (980, 222952), (992, 220255), (1015, 215264), (1085, 201376), (1120, 195083), (1160, 188356), (1240, 176204), (1421, 153760), (1519, 143840), (1568, 139345), (1624, 134540), (1736, 125860), (1798, 121520), (1922, 113680), (1960, 111476), (2030, 107632), (2170, 100688), (2320, 94178), (2480, 88102), (2842, 76880), (3038, 71920), (3248, 67270), (3472, 62930), (3596, 60760), (3844, 56840), (3920, 55738), (4060, 53816), (4340, 50344), (4495, 48608), (4640, 47089), (4805, 45472), (4960, 44051), (5684, 38440), (6076, 35960), (6293, 34720), (6496, 33635), (6727, 32480), (6944, 31465), (7105, 30752), (7192, 30380), (7595, 28768), (7688, 28420), (7840, 27869), (8120, 26908), (8680, 25172), (8990, 24304), (9610, 22736), (11368, 19220), (12152, 17980), (12586, 17360), (13454, 16240), (14210, 15376), (14384, 15190)]