421354480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:239

約数の個数: 160

約数和(自身を含む): 1079930880

約数和(自身を除く): 658576400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 83, 89, 92, 115, 124, 155, 166, 178, 184, 230, 248, 310, 332, 356, 368, 415, 445, 460, 496, 620, 664, 712, 713, 830, 890, 920, 1240, 1328, 1424, 1426, 1660, 1780, 1840, 1909, 2047, 2480, 2573, 2759, 2852, 3320, 3560, 3565, 3818, 4094, 5146, 5518, 5704, 6640, 7120, 7130, 7387, 7636, 8188, 9545, 10235, 10292, 11036, 11408, 12865, 13795, 14260, 14774, 15272, 16376, 19090, 20470, 20584, 22072, 25730, 27590, 28520, 29548, 30544, 32752, 36935, 38180, 40940, 41168, 44144, 51460, 55180, 57040, 59096, 59179, 63457, 73870, 76360, 81880, 102920, 110360, 118192, 118358, 126914, 147740, 152720, 163760, 169901, 205840, 220720, 228997, 236716, 253828, 295480, 295895, 317285, 339802, 457994, 473432, 507656, 590960, 591790, 634570, 679604, 849505, 915988, 946864, 1015312, 1144985, 1183580, 1269140, 1359208, 1699010, 1831976, 2289970, 2367160, 2538280, 2718416, 3398020, 3663952, 4579940, 4734320, 5076560, 5266931, 6796040, 9159880, 10533862, 13592080, 18319760, 21067724, 26334655, 42135448, 52669310, 84270896, 105338620, 210677240, 421354480]

約数ペア:

[(1, 421354480), (2, 210677240), (4, 105338620), (5, 84270896), (8, 52669310), (10, 42135448), (16, 26334655), (20, 21067724), (23, 18319760), (31, 13592080), (40, 10533862), (46, 9159880), (62, 6796040), (80, 5266931), (83, 5076560), (89, 4734320), (92, 4579940), (115, 3663952), (124, 3398020), (155, 2718416), (166, 2538280), (178, 2367160), (184, 2289970), (230, 1831976), (248, 1699010), (310, 1359208), (332, 1269140), (356, 1183580), (368, 1144985), (415, 1015312), (445, 946864), (460, 915988), (496, 849505), (620, 679604), (664, 634570), (712, 591790), (713, 590960), (830, 507656), (890, 473432), (920, 457994), (1240, 339802), (1328, 317285), (1424, 295895), (1426, 295480), (1660, 253828), (1780, 236716), (1840, 228997), (1909, 220720), (2047, 205840), (2480, 169901), (2573, 163760), (2759, 152720), (2852, 147740), (3320, 126914), (3560, 118358), (3565, 118192), (3818, 110360), (4094, 102920), (5146, 81880), (5518, 76360), (5704, 73870), (6640, 63457), (7120, 59179), (7130, 59096), (7387, 57040), (7636, 55180), (8188, 51460), (9545, 44144), (10235, 41168), (10292, 40940), (11036, 38180), (11408, 36935), (12865, 32752), (13795, 30544), (14260, 29548), (14774, 28520), (15272, 27590), (16376, 25730), (19090, 22072), (20470, 20584)]