205393600

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:195

約数の個数: 168

約数和(自身を含む): 539715456

約数和(自身を除く): 334321856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 41, 50, 62, 64, 80, 82, 100, 101, 124, 155, 160, 164, 200, 202, 205, 248, 310, 320, 328, 400, 404, 410, 496, 505, 620, 656, 775, 800, 808, 820, 992, 1010, 1025, 1240, 1271, 1312, 1550, 1600, 1616, 1640, 1984, 2020, 2050, 2480, 2525, 2542, 2624, 3100, 3131, 3232, 3280, 4040, 4100, 4141, 4960, 5050, 5084, 6200, 6262, 6355, 6464, 6560, 8080, 8200, 8282, 9920, 10100, 10168, 12400, 12524, 12710, 13120, 15655, 16160, 16400, 16564, 20200, 20336, 20705, 24800, 25048, 25420, 31310, 31775, 32320, 32800, 33128, 40400, 40672, 41410, 49600, 50096, 50840, 62620, 63550, 65600, 66256, 78275, 80800, 81344, 82820, 100192, 101680, 103525, 125240, 127100, 128371, 132512, 156550, 161600, 165640, 200384, 203360, 207050, 250480, 254200, 256742, 265024, 313100, 331280, 406720, 414100, 500960, 508400, 513484, 626200, 641855, 662560, 828200, 1001920, 1016800, 1026968, 1252400, 1283710, 1325120, 1656400, 2033600, 2053936, 2504800, 2567420, 3209275, 3312800, 4107872, 5009600, 5134840, 6418550, 6625600, 8215744, 10269680, 12837100, 20539360, 25674200, 41078720, 51348400, 102696800, 205393600]

約数ペア:

[(1, 205393600), (2, 102696800), (4, 51348400), (5, 41078720), (8, 25674200), (10, 20539360), (16, 12837100), (20, 10269680), (25, 8215744), (31, 6625600), (32, 6418550), (40, 5134840), (41, 5009600), (50, 4107872), (62, 3312800), (64, 3209275), (80, 2567420), (82, 2504800), (100, 2053936), (101, 2033600), (124, 1656400), (155, 1325120), (160, 1283710), (164, 1252400), (200, 1026968), (202, 1016800), (205, 1001920), (248, 828200), (310, 662560), (320, 641855), (328, 626200), (400, 513484), (404, 508400), (410, 500960), (496, 414100), (505, 406720), (620, 331280), (656, 313100), (775, 265024), (800, 256742), (808, 254200), (820, 250480), (992, 207050), (1010, 203360), (1025, 200384), (1240, 165640), (1271, 161600), (1312, 156550), (1550, 132512), (1600, 128371), (1616, 127100), (1640, 125240), (1984, 103525), (2020, 101680), (2050, 100192), (2480, 82820), (2525, 81344), (2542, 80800), (2624, 78275), (3100, 66256), (3131, 65600), (3232, 63550), (3280, 62620), (4040, 50840), (4100, 50096), (4141, 49600), (4960, 41410), (5050, 40672), (5084, 40400), (6200, 33128), (6262, 32800), (6355, 32320), (6464, 31775), (6560, 31310), (8080, 25420), (8200, 25048), (8282, 24800), (9920, 20705), (10100, 20336), (10168, 20200), (12400, 16564), (12524, 16400), (12710, 16160), (13120, 15655)]