351269680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1019}}^1$

素因数の和:1202

約数の個数: 80

約数和(自身を含む): 849945600

約数和(自身を除く): 498675920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 139, 155, 248, 278, 310, 496, 556, 620, 695, 1019, 1112, 1240, 1390, 2038, 2224, 2480, 2780, 4076, 4309, 5095, 5560, 8152, 8618, 10190, 11120, 16304, 17236, 20380, 21545, 31589, 34472, 40760, 43090, 63178, 68944, 81520, 86180, 126356, 141641, 157945, 172360, 252712, 283282, 315890, 344720, 505424, 566564, 631780, 708205, 1133128, 1263560, 1416410, 2266256, 2527120, 2832820, 4390871, 5665640, 8781742, 11331280, 17563484, 21954355, 35126968, 43908710, 70253936, 87817420, 175634840, 351269680]

約数ペア:

[(1, 351269680), (2, 175634840), (4, 87817420), (5, 70253936), (8, 43908710), (10, 35126968), (16, 21954355), (20, 17563484), (31, 11331280), (40, 8781742), (62, 5665640), (80, 4390871), (124, 2832820), (139, 2527120), (155, 2266256), (248, 1416410), (278, 1263560), (310, 1133128), (496, 708205), (556, 631780), (620, 566564), (695, 505424), (1019, 344720), (1112, 315890), (1240, 283282), (1390, 252712), (2038, 172360), (2224, 157945), (2480, 141641), (2780, 126356), (4076, 86180), (4309, 81520), (5095, 68944), (5560, 63178), (8152, 43090), (8618, 40760), (10190, 34472), (11120, 31589), (16304, 21545), (17236, 20380)]