251321840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3709}}^1$

素因数の和:3751

約数の個数: 120

約数和(自身を含む): 734223840

約数和(自身を除く): 482902000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 308, 385, 440, 484, 560, 605, 616, 770, 847, 880, 968, 1210, 1232, 1540, 1694, 1936, 2420, 3080, 3388, 3709, 4235, 4840, 6160, 6776, 7418, 8470, 9680, 13552, 14836, 16940, 18545, 25963, 29672, 33880, 37090, 40799, 51926, 59344, 67760, 74180, 81598, 103852, 129815, 148360, 163196, 203995, 207704, 259630, 285593, 296720, 326392, 407990, 415408, 448789, 519260, 571186, 652784, 815980, 897578, 1038520, 1142372, 1427965, 1631960, 1795156, 2077040, 2243945, 2284744, 2855930, 3141523, 3263920, 3590312, 4487890, 4569488, 5711860, 6283046, 7180624, 8975780, 11423720, 12566092, 15707615, 17951560, 22847440, 25132184, 31415230, 35903120, 50264368, 62830460, 125660920, 251321840]

約数ペア:

[(1, 251321840), (2, 125660920), (4, 62830460), (5, 50264368), (7, 35903120), (8, 31415230), (10, 25132184), (11, 22847440), (14, 17951560), (16, 15707615), (20, 12566092), (22, 11423720), (28, 8975780), (35, 7180624), (40, 6283046), (44, 5711860), (55, 4569488), (56, 4487890), (70, 3590312), (77, 3263920), (80, 3141523), (88, 2855930), (110, 2284744), (112, 2243945), (121, 2077040), (140, 1795156), (154, 1631960), (176, 1427965), (220, 1142372), (242, 1038520), (280, 897578), (308, 815980), (385, 652784), (440, 571186), (484, 519260), (560, 448789), (605, 415408), (616, 407990), (770, 326392), (847, 296720), (880, 285593), (968, 259630), (1210, 207704), (1232, 203995), (1540, 163196), (1694, 148360), (1936, 129815), (2420, 103852), (3080, 81598), (3388, 74180), (3709, 67760), (4235, 59344), (4840, 51926), (6160, 40799), (6776, 37090), (7418, 33880), (8470, 29672), (9680, 25963), (13552, 18545), (14836, 16940)]