274497560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 685670400

約数和(自身を除く): 411172840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 61, 62, 76, 95, 122, 124, 152, 155, 190, 191, 244, 248, 305, 310, 380, 382, 488, 589, 610, 620, 760, 764, 955, 1159, 1178, 1220, 1240, 1528, 1891, 1910, 2318, 2356, 2440, 2945, 3629, 3782, 3820, 4636, 4712, 5795, 5890, 5921, 7258, 7564, 7640, 9272, 9455, 11590, 11651, 11780, 11842, 14516, 15128, 18145, 18910, 23180, 23302, 23560, 23684, 29032, 29605, 35929, 36290, 37820, 46360, 46604, 47368, 58255, 59210, 71858, 72580, 75640, 93208, 112499, 116510, 118420, 143716, 145160, 179645, 221369, 224998, 233020, 236840, 287432, 359290, 361181, 442738, 449996, 466040, 562495, 718580, 722362, 885476, 899992, 1106845, 1124990, 1437160, 1444724, 1770952, 1805905, 2213690, 2249980, 2889448, 3611810, 4427380, 4499960, 6862439, 7223620, 8854760, 13724878, 14447240, 27449756, 34312195, 54899512, 68624390, 137248780, 274497560]

約数ペア:

[(1, 274497560), (2, 137248780), (4, 68624390), (5, 54899512), (8, 34312195), (10, 27449756), (19, 14447240), (20, 13724878), (31, 8854760), (38, 7223620), (40, 6862439), (61, 4499960), (62, 4427380), (76, 3611810), (95, 2889448), (122, 2249980), (124, 2213690), (152, 1805905), (155, 1770952), (190, 1444724), (191, 1437160), (244, 1124990), (248, 1106845), (305, 899992), (310, 885476), (380, 722362), (382, 718580), (488, 562495), (589, 466040), (610, 449996), (620, 442738), (760, 361181), (764, 359290), (955, 287432), (1159, 236840), (1178, 233020), (1220, 224998), (1240, 221369), (1528, 179645), (1891, 145160), (1910, 143716), (2318, 118420), (2356, 116510), (2440, 112499), (2945, 93208), (3629, 75640), (3782, 72580), (3820, 71858), (4636, 59210), (4712, 58255), (5795, 47368), (5890, 46604), (5921, 46360), (7258, 37820), (7564, 36290), (7640, 35929), (9272, 29605), (9455, 29032), (11590, 23684), (11651, 23560), (11780, 23302), (11842, 23180), (14516, 18910), (15128, 18145)]