205951980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3617}}^1$

素因数の和:3715

約数の個数: 96

約数和(自身を含む): 629705664

約数和(自身を除く): 423753684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 73, 78, 130, 146, 156, 195, 219, 260, 292, 365, 390, 438, 730, 780, 876, 949, 1095, 1460, 1898, 2190, 2847, 3617, 3796, 4380, 4745, 5694, 7234, 9490, 10851, 11388, 14235, 14468, 18085, 18980, 21702, 28470, 36170, 43404, 47021, 54255, 56940, 72340, 94042, 108510, 141063, 188084, 217020, 235105, 264041, 282126, 470210, 528082, 564252, 705315, 792123, 940420, 1056164, 1320205, 1410630, 1584246, 2640410, 2821260, 3168492, 3432533, 3960615, 5280820, 6865066, 7921230, 10297599, 13730132, 15842460, 17162665, 20595198, 34325330, 41190396, 51487995, 68650660, 102975990, 205951980]

約数ペア:

[(1, 205951980), (2, 102975990), (3, 68650660), (4, 51487995), (5, 41190396), (6, 34325330), (10, 20595198), (12, 17162665), (13, 15842460), (15, 13730132), (20, 10297599), (26, 7921230), (30, 6865066), (39, 5280820), (52, 3960615), (60, 3432533), (65, 3168492), (73, 2821260), (78, 2640410), (130, 1584246), (146, 1410630), (156, 1320205), (195, 1056164), (219, 940420), (260, 792123), (292, 705315), (365, 564252), (390, 528082), (438, 470210), (730, 282126), (780, 264041), (876, 235105), (949, 217020), (1095, 188084), (1460, 141063), (1898, 108510), (2190, 94042), (2847, 72340), (3617, 56940), (3796, 54255), (4380, 47021), (4745, 43404), (5694, 36170), (7234, 28470), (9490, 21702), (10851, 18980), (11388, 18085), (14235, 14468)]