401841920

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:410

約数の個数: 144

約数和(自身を含む): 1039741920

約数和(自身を除く): 637900000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 59, 64, 68, 80, 85, 118, 128, 136, 160, 170, 236, 256, 272, 295, 313, 320, 340, 472, 544, 590, 626, 640, 680, 944, 1003, 1088, 1180, 1252, 1280, 1360, 1565, 1888, 2006, 2176, 2360, 2504, 2720, 3130, 3776, 4012, 4352, 4720, 5008, 5015, 5321, 5440, 6260, 7552, 8024, 9440, 10016, 10030, 10642, 10880, 12520, 15104, 16048, 18467, 18880, 20032, 20060, 21284, 21760, 25040, 26605, 32096, 36934, 37760, 40064, 40120, 42568, 50080, 53210, 64192, 73868, 75520, 80128, 80240, 85136, 92335, 100160, 106420, 128384, 147736, 160480, 170272, 184670, 200320, 212840, 256768, 295472, 313939, 320960, 340544, 369340, 400640, 425680, 590944, 627878, 641920, 681088, 738680, 851360, 1181888, 1255756, 1283840, 1362176, 1477360, 1569695, 1702720, 2363776, 2511512, 2954720, 3139390, 3405440, 4727552, 5023024, 5909440, 6278780, 6810880, 10046048, 11818880, 12557560, 20092096, 23637760, 25115120, 40184192, 50230240, 80368384, 100460480, 200920960, 401841920]

約数ペア:

[(1, 401841920), (2, 200920960), (4, 100460480), (5, 80368384), (8, 50230240), (10, 40184192), (16, 25115120), (17, 23637760), (20, 20092096), (32, 12557560), (34, 11818880), (40, 10046048), (59, 6810880), (64, 6278780), (68, 5909440), (80, 5023024), (85, 4727552), (118, 3405440), (128, 3139390), (136, 2954720), (160, 2511512), (170, 2363776), (236, 1702720), (256, 1569695), (272, 1477360), (295, 1362176), (313, 1283840), (320, 1255756), (340, 1181888), (472, 851360), (544, 738680), (590, 681088), (626, 641920), (640, 627878), (680, 590944), (944, 425680), (1003, 400640), (1088, 369340), (1180, 340544), (1252, 320960), (1280, 313939), (1360, 295472), (1565, 256768), (1888, 212840), (2006, 200320), (2176, 184670), (2360, 170272), (2504, 160480), (2720, 147736), (3130, 128384), (3776, 106420), (4012, 100160), (4352, 92335), (4720, 85136), (5008, 80240), (5015, 80128), (5321, 75520), (5440, 73868), (6260, 64192), (7552, 53210), (8024, 50080), (9440, 42568), (10016, 40120), (10030, 40064), (10642, 37760), (10880, 36934), (12520, 32096), (15104, 26605), (16048, 25040), (18467, 21760), (18880, 21284), (20032, 20060)]