1393265860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1279}}^1$

素因数の和:1577

約数の個数: 96

約数和(自身を含む): 3468165120

約数和(自身を除く): 2074899260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 251, 310, 434, 502, 620, 868, 1004, 1085, 1255, 1279, 1757, 2170, 2510, 2558, 3514, 4340, 5020, 5116, 6395, 7028, 7781, 8785, 8953, 12790, 15562, 17570, 17906, 25580, 31124, 35140, 35812, 38905, 39649, 44765, 54467, 77810, 79298, 89530, 108934, 155620, 158596, 179060, 198245, 217868, 272335, 277543, 321029, 396490, 544670, 555086, 642058, 792980, 1089340, 1110172, 1284116, 1387715, 1605145, 2247203, 2775430, 3210290, 4494406, 5550860, 6420580, 8988812, 9951899, 11236015, 19903798, 22472030, 39807596, 44944060, 49759495, 69663293, 99518990, 139326586, 199037980, 278653172, 348316465, 696632930, 1393265860]

約数ペア:

[(1, 1393265860), (2, 696632930), (4, 348316465), (5, 278653172), (7, 199037980), (10, 139326586), (14, 99518990), (20, 69663293), (28, 49759495), (31, 44944060), (35, 39807596), (62, 22472030), (70, 19903798), (124, 11236015), (140, 9951899), (155, 8988812), (217, 6420580), (251, 5550860), (310, 4494406), (434, 3210290), (502, 2775430), (620, 2247203), (868, 1605145), (1004, 1387715), (1085, 1284116), (1255, 1110172), (1279, 1089340), (1757, 792980), (2170, 642058), (2510, 555086), (2558, 544670), (3514, 396490), (4340, 321029), (5020, 277543), (5116, 272335), (6395, 217868), (7028, 198245), (7781, 179060), (8785, 158596), (8953, 155620), (12790, 108934), (15562, 89530), (17570, 79298), (17906, 77810), (25580, 54467), (31124, 44765), (35140, 39649), (35812, 38905)]