53540140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 122235120

約数和(自身を除く): 68694980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 85, 118, 157, 170, 236, 289, 295, 314, 340, 578, 590, 628, 785, 1003, 1156, 1180, 1445, 1570, 2006, 2669, 2890, 3140, 4012, 5015, 5338, 5780, 9263, 10030, 10676, 13345, 17051, 18526, 20060, 26690, 34102, 37052, 45373, 46315, 53380, 68204, 85255, 90746, 92630, 157471, 170510, 181492, 185260, 226865, 314942, 341020, 453730, 629884, 787355, 907460, 1574710, 2677007, 3149420, 5354014, 10708028, 13385035, 26770070, 53540140]

約数ペア:

[(1, 53540140), (2, 26770070), (4, 13385035), (5, 10708028), (10, 5354014), (17, 3149420), (20, 2677007), (34, 1574710), (59, 907460), (68, 787355), (85, 629884), (118, 453730), (157, 341020), (170, 314942), (236, 226865), (289, 185260), (295, 181492), (314, 170510), (340, 157471), (578, 92630), (590, 90746), (628, 85255), (785, 68204), (1003, 53380), (1156, 46315), (1180, 45373), (1445, 37052), (1570, 34102), (2006, 26690), (2669, 20060), (2890, 18526), (3140, 17051), (4012, 13345), (5015, 10676), (5338, 10030), (5780, 9263)]