218580440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4723}}^1$

素因数の和:4836

約数の個数: 64

約数和(自身を含む): 535701600

約数和(自身を除く): 317121160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 260, 356, 445, 520, 712, 890, 1157, 1780, 2314, 3560, 4628, 4723, 5785, 9256, 9446, 11570, 18892, 23140, 23615, 37784, 46280, 47230, 61399, 94460, 122798, 188920, 245596, 306995, 420347, 491192, 613990, 840694, 1227980, 1681388, 2101735, 2455960, 3362776, 4203470, 5464511, 8406940, 10929022, 16813880, 21858044, 27322555, 43716088, 54645110, 109290220, 218580440]

約数ペア:

[(1, 218580440), (2, 109290220), (4, 54645110), (5, 43716088), (8, 27322555), (10, 21858044), (13, 16813880), (20, 10929022), (26, 8406940), (40, 5464511), (52, 4203470), (65, 3362776), (89, 2455960), (104, 2101735), (130, 1681388), (178, 1227980), (260, 840694), (356, 613990), (445, 491192), (520, 420347), (712, 306995), (890, 245596), (1157, 188920), (1780, 122798), (2314, 94460), (3560, 61399), (4628, 47230), (4723, 46280), (5785, 37784), (9256, 23615), (9446, 23140), (11570, 18892)]