278676970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:320

約数の個数: 128

約数和(自身を含む): 634314240

約数和(自身を除く): 355637270

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 26, 37, 46, 55, 65, 74, 110, 115, 130, 143, 185, 229, 230, 253, 286, 299, 370, 407, 458, 481, 506, 598, 715, 814, 851, 962, 1145, 1265, 1430, 1495, 1702, 2035, 2290, 2405, 2519, 2530, 2977, 2990, 3289, 4070, 4255, 4810, 5038, 5267, 5291, 5954, 6578, 8473, 8510, 9361, 10534, 10582, 11063, 12595, 14885, 16445, 16946, 18722, 22126, 25190, 26335, 26455, 29770, 32747, 32890, 42365, 46805, 52670, 52910, 55315, 57937, 65494, 68471, 84730, 93203, 93610, 110149, 110630, 115874, 121693, 136942, 163735, 186406, 194879, 220298, 243386, 289685, 327470, 342355, 389758, 466015, 550745, 579370, 608465, 684710, 753181, 932030, 974395, 1101490, 1211639, 1216930, 1506362, 1948790, 2143669, 2423278, 2533427, 3765905, 4287338, 5066854, 6058195, 7531810, 10718345, 12116390, 12667135, 21436690, 25334270, 27867697, 55735394, 139338485, 278676970]

約数ペア:

[(1, 278676970), (2, 139338485), (5, 55735394), (10, 27867697), (11, 25334270), (13, 21436690), (22, 12667135), (23, 12116390), (26, 10718345), (37, 7531810), (46, 6058195), (55, 5066854), (65, 4287338), (74, 3765905), (110, 2533427), (115, 2423278), (130, 2143669), (143, 1948790), (185, 1506362), (229, 1216930), (230, 1211639), (253, 1101490), (286, 974395), (299, 932030), (370, 753181), (407, 684710), (458, 608465), (481, 579370), (506, 550745), (598, 466015), (715, 389758), (814, 342355), (851, 327470), (962, 289685), (1145, 243386), (1265, 220298), (1430, 194879), (1495, 186406), (1702, 163735), (2035, 136942), (2290, 121693), (2405, 115874), (2519, 110630), (2530, 110149), (2977, 93610), (2990, 93203), (3289, 84730), (4070, 68471), (4255, 65494), (4810, 57937), (5038, 55315), (5267, 52910), (5291, 52670), (5954, 46805), (6578, 42365), (8473, 32890), (8510, 32747), (9361, 29770), (10534, 26455), (10582, 26335), (11063, 25190), (12595, 22126), (14885, 18722), (16445, 16946)]