388902540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:392

約数の個数: 192

約数和(自身を含む): 1256532480

約数和(自身を除く): 867629940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 139, 156, 170, 195, 204, 211, 221, 255, 260, 278, 340, 390, 417, 422, 442, 510, 556, 633, 663, 695, 780, 834, 844, 884, 1020, 1055, 1105, 1266, 1326, 1390, 1668, 1807, 2085, 2110, 2210, 2363, 2532, 2652, 2743, 2780, 3165, 3315, 3587, 3614, 4170, 4220, 4420, 4726, 5421, 5486, 6330, 6630, 7089, 7174, 7228, 8229, 8340, 9035, 9452, 10761, 10842, 10972, 11815, 12660, 13260, 13715, 14178, 14348, 16458, 17935, 18070, 21522, 21684, 23630, 27105, 27430, 28356, 29329, 30719, 32916, 35445, 35870, 36140, 41145, 43044, 46631, 47260, 53805, 54210, 54860, 58658, 61438, 70890, 71740, 82290, 87987, 92157, 93262, 107610, 108420, 117316, 122876, 139893, 141780, 146645, 153595, 164580, 175974, 184314, 186524, 215220, 233155, 279786, 293290, 307190, 351948, 368628, 381277, 439935, 460785, 466310, 498593, 559572, 586580, 614380, 699465, 762554, 879870, 921570, 932620, 997186, 1143831, 1398930, 1495779, 1525108, 1759740, 1843140, 1906385, 1994372, 2287662, 2492965, 2797860, 2991558, 3812770, 4575324, 4985930, 5719155, 5983116, 6481709, 7478895, 7625540, 9971860, 11438310, 12963418, 14957790, 19445127, 22876620, 25926836, 29915580, 32408545, 38890254, 64817090, 77780508, 97225635, 129634180, 194451270, 388902540]

約数ペア:

[(1, 388902540), (2, 194451270), (3, 129634180), (4, 97225635), (5, 77780508), (6, 64817090), (10, 38890254), (12, 32408545), (13, 29915580), (15, 25926836), (17, 22876620), (20, 19445127), (26, 14957790), (30, 12963418), (34, 11438310), (39, 9971860), (51, 7625540), (52, 7478895), (60, 6481709), (65, 5983116), (68, 5719155), (78, 4985930), (85, 4575324), (102, 3812770), (130, 2991558), (139, 2797860), (156, 2492965), (170, 2287662), (195, 1994372), (204, 1906385), (211, 1843140), (221, 1759740), (255, 1525108), (260, 1495779), (278, 1398930), (340, 1143831), (390, 997186), (417, 932620), (422, 921570), (442, 879870), (510, 762554), (556, 699465), (633, 614380), (663, 586580), (695, 559572), (780, 498593), (834, 466310), (844, 460785), (884, 439935), (1020, 381277), (1055, 368628), (1105, 351948), (1266, 307190), (1326, 293290), (1390, 279786), (1668, 233155), (1807, 215220), (2085, 186524), (2110, 184314), (2210, 175974), (2363, 164580), (2532, 153595), (2652, 146645), (2743, 141780), (2780, 139893), (3165, 122876), (3315, 117316), (3587, 108420), (3614, 107610), (4170, 93262), (4220, 92157), (4420, 87987), (4726, 82290), (5421, 71740), (5486, 70890), (6330, 61438), (6630, 58658), (7089, 54860), (7174, 54210), (7228, 53805), (8229, 47260), (8340, 46631), (9035, 43044), (9452, 41145), (10761, 36140), (10842, 35870), (10972, 35445), (11815, 32916), (12660, 30719), (13260, 29329), (13715, 28356), (14178, 27430), (14348, 27105), (16458, 23630), (17935, 21684), (18070, 21522)]