401784320

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{3203}}^1$

素因数の和:3240

約数の個数: 120

約数和(自身を含む): 1120970664

約数和(自身を除く): 719186344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 2560, 3136, 3203, 3584, 3920, 4480, 6272, 6406, 7840, 8960, 12544, 12812, 15680, 16015, 17920, 22421, 25088, 25624, 31360, 32030, 44842, 51248, 62720, 64060, 89684, 102496, 112105, 125440, 128120, 156947, 179368, 204992, 224210, 256240, 313894, 358736, 409984, 448420, 512480, 627788, 717472, 784735, 819968, 896840, 1024960, 1255576, 1434944, 1569470, 1639936, 1793680, 2049920, 2511152, 2869888, 3138940, 3587360, 4099840, 5022304, 5739776, 6277880, 7174720, 8199680, 10044608, 11479552, 12555760, 14349440, 20089216, 25111520, 28698880, 40178432, 50223040, 57397760, 80356864, 100446080, 200892160, 401784320]

約数ペア:

[(1, 401784320), (2, 200892160), (4, 100446080), (5, 80356864), (7, 57397760), (8, 50223040), (10, 40178432), (14, 28698880), (16, 25111520), (20, 20089216), (28, 14349440), (32, 12555760), (35, 11479552), (40, 10044608), (49, 8199680), (56, 7174720), (64, 6277880), (70, 5739776), (80, 5022304), (98, 4099840), (112, 3587360), (128, 3138940), (140, 2869888), (160, 2511152), (196, 2049920), (224, 1793680), (245, 1639936), (256, 1569470), (280, 1434944), (320, 1255576), (392, 1024960), (448, 896840), (490, 819968), (512, 784735), (560, 717472), (640, 627788), (784, 512480), (896, 448420), (980, 409984), (1120, 358736), (1280, 313894), (1568, 256240), (1792, 224210), (1960, 204992), (2240, 179368), (2560, 156947), (3136, 128120), (3203, 125440), (3584, 112105), (3920, 102496), (4480, 89684), (6272, 64060), (6406, 62720), (7840, 51248), (8960, 44842), (12544, 32030), (12812, 31360), (15680, 25624), (16015, 25088), (17920, 22421)]