389919840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19813}}^1$

素因数の和:19872

約数の個数: 96

約数和(自身を含む): 1258268256

約数和(自身を除く): 868348416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 80, 82, 96, 120, 123, 160, 164, 205, 240, 246, 328, 410, 480, 492, 615, 656, 820, 984, 1230, 1312, 1640, 1968, 2460, 3280, 3936, 4920, 6560, 9840, 19680, 19813, 39626, 59439, 79252, 99065, 118878, 158504, 198130, 237756, 297195, 317008, 396260, 475512, 594390, 634016, 792520, 812333, 951024, 1188780, 1585040, 1624666, 1902048, 2377560, 2436999, 3170080, 3249332, 4061665, 4755120, 4873998, 6498664, 8123330, 9510240, 9747996, 12184995, 12997328, 16246660, 19495992, 24369990, 25994656, 32493320, 38991984, 48739980, 64986640, 77983968, 97479960, 129973280, 194959920, 389919840]

約数ペア:

[(1, 389919840), (2, 194959920), (3, 129973280), (4, 97479960), (5, 77983968), (6, 64986640), (8, 48739980), (10, 38991984), (12, 32493320), (15, 25994656), (16, 24369990), (20, 19495992), (24, 16246660), (30, 12997328), (32, 12184995), (40, 9747996), (41, 9510240), (48, 8123330), (60, 6498664), (80, 4873998), (82, 4755120), (96, 4061665), (120, 3249332), (123, 3170080), (160, 2436999), (164, 2377560), (205, 1902048), (240, 1624666), (246, 1585040), (328, 1188780), (410, 951024), (480, 812333), (492, 792520), (615, 634016), (656, 594390), (820, 475512), (984, 396260), (1230, 317008), (1312, 297195), (1640, 237756), (1968, 198130), (2460, 158504), (3280, 118878), (3936, 99065), (4920, 79252), (6560, 59439), (9840, 39626), (19680, 19813)]