277042480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:495

約数の個数: 160

約数和(自身を含む): 771075648

約数和(自身を除く): 494033168

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 61, 65, 80, 88, 104, 110, 122, 130, 143, 176, 208, 220, 244, 260, 286, 305, 397, 440, 488, 520, 572, 610, 671, 715, 793, 794, 880, 976, 1040, 1144, 1220, 1342, 1430, 1586, 1588, 1985, 2288, 2440, 2684, 2860, 3172, 3176, 3355, 3965, 3970, 4367, 4880, 5161, 5368, 5720, 6344, 6352, 6710, 7930, 7940, 8723, 8734, 10322, 10736, 11440, 12688, 13420, 15860, 15880, 17446, 17468, 20644, 21835, 24217, 25805, 26840, 31720, 31760, 34892, 34936, 41288, 43615, 43670, 48434, 51610, 53680, 56771, 63440, 69784, 69872, 82576, 87230, 87340, 96868, 103220, 113542, 121085, 139568, 174460, 174680, 193736, 206440, 227084, 242170, 266387, 283855, 314821, 348920, 349360, 387472, 412880, 454168, 484340, 532774, 567710, 629642, 697840, 908336, 968680, 1065548, 1135420, 1259284, 1331935, 1574105, 1937360, 2131096, 2270840, 2518568, 2663870, 3148210, 3463031, 4262192, 4541680, 5037136, 5327740, 6296420, 6926062, 10655480, 12592840, 13852124, 17315155, 21310960, 25185680, 27704248, 34630310, 55408496, 69260620, 138521240, 277042480]

約数ペア:

[(1, 277042480), (2, 138521240), (4, 69260620), (5, 55408496), (8, 34630310), (10, 27704248), (11, 25185680), (13, 21310960), (16, 17315155), (20, 13852124), (22, 12592840), (26, 10655480), (40, 6926062), (44, 6296420), (52, 5327740), (55, 5037136), (61, 4541680), (65, 4262192), (80, 3463031), (88, 3148210), (104, 2663870), (110, 2518568), (122, 2270840), (130, 2131096), (143, 1937360), (176, 1574105), (208, 1331935), (220, 1259284), (244, 1135420), (260, 1065548), (286, 968680), (305, 908336), (397, 697840), (440, 629642), (488, 567710), (520, 532774), (572, 484340), (610, 454168), (671, 412880), (715, 387472), (793, 349360), (794, 348920), (880, 314821), (976, 283855), (1040, 266387), (1144, 242170), (1220, 227084), (1342, 206440), (1430, 193736), (1586, 174680), (1588, 174460), (1985, 139568), (2288, 121085), (2440, 113542), (2684, 103220), (2860, 96868), (3172, 87340), (3176, 87230), (3355, 82576), (3965, 69872), (3970, 69784), (4367, 63440), (4880, 56771), (5161, 53680), (5368, 51610), (5720, 48434), (6344, 43670), (6352, 43615), (6710, 41288), (7930, 34936), (7940, 34892), (8723, 31760), (8734, 31720), (10322, 26840), (10736, 25805), (11440, 24217), (12688, 21835), (13420, 20644), (15860, 17468), (15880, 17446)]