219913960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:180

約数の個数: 192

約数和(自身を含む): 614984400

約数和(自身を除く): 395070440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 53, 56, 58, 70, 73, 98, 106, 116, 140, 145, 146, 196, 203, 212, 232, 245, 265, 280, 290, 292, 365, 371, 392, 406, 424, 490, 511, 530, 580, 584, 730, 742, 812, 980, 1015, 1022, 1060, 1160, 1421, 1460, 1484, 1537, 1624, 1855, 1960, 2030, 2044, 2117, 2120, 2555, 2597, 2842, 2920, 2968, 3074, 3577, 3710, 3869, 4060, 4088, 4234, 5110, 5194, 5684, 6148, 7105, 7154, 7420, 7685, 7738, 8120, 8468, 10220, 10388, 10585, 10759, 11368, 12296, 12985, 14210, 14308, 14819, 14840, 15370, 15476, 16936, 17885, 19345, 20440, 20776, 21170, 21518, 25970, 27083, 28420, 28616, 29638, 30740, 30952, 35770, 38690, 42340, 43036, 51940, 53795, 54166, 56840, 59276, 61480, 71540, 74095, 75313, 77380, 84680, 86072, 103733, 103880, 107590, 108332, 112201, 118552, 135415, 143080, 148190, 150626, 154760, 189581, 207466, 215180, 216664, 224402, 270830, 296380, 301252, 376565, 379162, 414932, 430360, 448804, 518665, 541660, 561005, 592760, 602504, 753130, 758324, 785407, 829864, 897608, 947905, 1037330, 1083320, 1122010, 1506260, 1516648, 1570814, 1895810, 2074660, 2244020, 3012520, 3141628, 3791620, 3927035, 4149320, 4488040, 5497849, 6283256, 7583240, 7854070, 10995698, 15708140, 21991396, 27489245, 31416280, 43982792, 54978490, 109956980, 219913960]

約数ペア:

[(1, 219913960), (2, 109956980), (4, 54978490), (5, 43982792), (7, 31416280), (8, 27489245), (10, 21991396), (14, 15708140), (20, 10995698), (28, 7854070), (29, 7583240), (35, 6283256), (40, 5497849), (49, 4488040), (53, 4149320), (56, 3927035), (58, 3791620), (70, 3141628), (73, 3012520), (98, 2244020), (106, 2074660), (116, 1895810), (140, 1570814), (145, 1516648), (146, 1506260), (196, 1122010), (203, 1083320), (212, 1037330), (232, 947905), (245, 897608), (265, 829864), (280, 785407), (290, 758324), (292, 753130), (365, 602504), (371, 592760), (392, 561005), (406, 541660), (424, 518665), (490, 448804), (511, 430360), (530, 414932), (580, 379162), (584, 376565), (730, 301252), (742, 296380), (812, 270830), (980, 224402), (1015, 216664), (1022, 215180), (1060, 207466), (1160, 189581), (1421, 154760), (1460, 150626), (1484, 148190), (1537, 143080), (1624, 135415), (1855, 118552), (1960, 112201), (2030, 108332), (2044, 107590), (2117, 103880), (2120, 103733), (2555, 86072), (2597, 84680), (2842, 77380), (2920, 75313), (2968, 74095), (3074, 71540), (3577, 61480), (3710, 59276), (3869, 56840), (4060, 54166), (4088, 53795), (4234, 51940), (5110, 43036), (5194, 42340), (5684, 38690), (6148, 35770), (7105, 30952), (7154, 30740), (7420, 29638), (7685, 28616), (7738, 28420), (8120, 27083), (8468, 25970), (10220, 21518), (10388, 21170), (10585, 20776), (10759, 20440), (11368, 19345), (12296, 17885), (12985, 16936), (14210, 15476), (14308, 15370), (14819, 14840)]