259978400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{953}}^1$

素因数の和:1015

約数の個数: 144

約数和(自身を含む): 715454208

約数和(自身を除く): 455475808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 62, 80, 88, 100, 110, 124, 155, 160, 176, 200, 220, 248, 275, 310, 341, 352, 400, 440, 496, 550, 620, 682, 775, 800, 880, 953, 992, 1100, 1240, 1364, 1550, 1705, 1760, 1906, 2200, 2480, 2728, 3100, 3410, 3812, 4400, 4765, 4960, 5456, 6200, 6820, 7624, 8525, 8800, 9530, 10483, 10912, 12400, 13640, 15248, 17050, 19060, 20966, 23825, 24800, 27280, 29543, 30496, 34100, 38120, 41932, 47650, 52415, 54560, 59086, 68200, 76240, 83864, 95300, 104830, 118172, 136400, 147715, 152480, 167728, 190600, 209660, 236344, 262075, 272800, 295430, 324973, 335456, 381200, 419320, 472688, 524150, 590860, 649946, 738575, 762400, 838640, 945376, 1048300, 1181720, 1299892, 1477150, 1624865, 1677280, 2096600, 2363440, 2599784, 2954300, 3249730, 4193200, 4726880, 5199568, 5908600, 6499460, 8124325, 8386400, 10399136, 11817200, 12998920, 16248650, 23634400, 25997840, 32497300, 51995680, 64994600, 129989200, 259978400]

約数ペア:

[(1, 259978400), (2, 129989200), (4, 64994600), (5, 51995680), (8, 32497300), (10, 25997840), (11, 23634400), (16, 16248650), (20, 12998920), (22, 11817200), (25, 10399136), (31, 8386400), (32, 8124325), (40, 6499460), (44, 5908600), (50, 5199568), (55, 4726880), (62, 4193200), (80, 3249730), (88, 2954300), (100, 2599784), (110, 2363440), (124, 2096600), (155, 1677280), (160, 1624865), (176, 1477150), (200, 1299892), (220, 1181720), (248, 1048300), (275, 945376), (310, 838640), (341, 762400), (352, 738575), (400, 649946), (440, 590860), (496, 524150), (550, 472688), (620, 419320), (682, 381200), (775, 335456), (800, 324973), (880, 295430), (953, 272800), (992, 262075), (1100, 236344), (1240, 209660), (1364, 190600), (1550, 167728), (1705, 152480), (1760, 147715), (1906, 136400), (2200, 118172), (2480, 104830), (2728, 95300), (3100, 83864), (3410, 76240), (3812, 68200), (4400, 59086), (4765, 54560), (4960, 52415), (5456, 47650), (6200, 41932), (6820, 38120), (7624, 34100), (8525, 30496), (8800, 29543), (9530, 27280), (10483, 24800), (10912, 23825), (12400, 20966), (13640, 19060), (15248, 17050)]