520715990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{773}}^1$

素因数の和:905

約数の個数: 64

約数和(自身を含む): 1011128832

約数和(自身を除く): 490412842

約数列:

[1, 2, 5, 10, 31, 41, 53, 62, 82, 106, 155, 205, 265, 310, 410, 530, 773, 1271, 1546, 1643, 2173, 2542, 3286, 3865, 4346, 6355, 7730, 8215, 10865, 12710, 16430, 21730, 23963, 31693, 40969, 47926, 63386, 67363, 81938, 119815, 134726, 158465, 204845, 239630, 316930, 336815, 409690, 673630, 982483, 1270039, 1679729, 1964966, 2540078, 3359458, 4912415, 6350195, 8398645, 9824830, 12700390, 16797290, 52071599, 104143198, 260357995, 520715990]

約数ペア:

[(1, 520715990), (2, 260357995), (5, 104143198), (10, 52071599), (31, 16797290), (41, 12700390), (53, 9824830), (62, 8398645), (82, 6350195), (106, 4912415), (155, 3359458), (205, 2540078), (265, 1964966), (310, 1679729), (410, 1270039), (530, 982483), (773, 673630), (1271, 409690), (1546, 336815), (1643, 316930), (2173, 239630), (2542, 204845), (3286, 158465), (3865, 134726), (4346, 119815), (6355, 81938), (7730, 67363), (8215, 63386), (10865, 47926), (12710, 40969), (16430, 31693), (21730, 23963)]