208978380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9923}}^1$

素因数の和:9957

約数の個数: 120

約数和(自身を含む): 706072752

約数和(自身を除く): 497094372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 1053, 1170, 1404, 1620, 1755, 2106, 2340, 3510, 4212, 5265, 7020, 9923, 10530, 19846, 21060, 29769, 39692, 49615, 59538, 89307, 99230, 119076, 128999, 148845, 178614, 198460, 257998, 267921, 297690, 357228, 386997, 446535, 515996, 535842, 595380, 644995, 773994, 803763, 893070, 1071684, 1160991, 1289990, 1339605, 1547988, 1607526, 1786140, 1934985, 2321982, 2579980, 2679210, 3215052, 3482973, 3869970, 4018815, 4643964, 5358420, 5804955, 6965946, 7739940, 8037630, 10448919, 11609910, 13931892, 16075260, 17414865, 20897838, 23219820, 34829730, 41795676, 52244595, 69659460, 104489190, 208978380]

約数ペア:

[(1, 208978380), (2, 104489190), (3, 69659460), (4, 52244595), (5, 41795676), (6, 34829730), (9, 23219820), (10, 20897838), (12, 17414865), (13, 16075260), (15, 13931892), (18, 11609910), (20, 10448919), (26, 8037630), (27, 7739940), (30, 6965946), (36, 5804955), (39, 5358420), (45, 4643964), (52, 4018815), (54, 3869970), (60, 3482973), (65, 3215052), (78, 2679210), (81, 2579980), (90, 2321982), (108, 1934985), (117, 1786140), (130, 1607526), (135, 1547988), (156, 1339605), (162, 1289990), (180, 1160991), (195, 1071684), (234, 893070), (260, 803763), (270, 773994), (324, 644995), (351, 595380), (390, 535842), (405, 515996), (468, 446535), (540, 386997), (585, 357228), (702, 297690), (780, 267921), (810, 257998), (1053, 198460), (1170, 178614), (1404, 148845), (1620, 128999), (1755, 119076), (2106, 99230), (2340, 89307), (3510, 59538), (4212, 49615), (5265, 39692), (7020, 29769), (9923, 21060), (10530, 19846)]