2098220120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{9781}}^1$

素因数の和:9996

約数の個数: 64

約数和(自身を含む): 4901955840

約数和(自身を除く): 2803735720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 173, 248, 310, 346, 620, 692, 865, 1240, 1384, 1730, 3460, 5363, 6920, 9781, 10726, 19562, 21452, 26815, 39124, 42904, 48905, 53630, 78248, 97810, 107260, 195620, 214520, 303211, 391240, 606422, 1212844, 1516055, 1692113, 2425688, 3032110, 3384226, 6064220, 6768452, 8460565, 12128440, 13536904, 16921130, 33842260, 52455503, 67684520, 104911006, 209822012, 262277515, 419644024, 524555030, 1049110060, 2098220120]

約数ペア:

[(1, 2098220120), (2, 1049110060), (4, 524555030), (5, 419644024), (8, 262277515), (10, 209822012), (20, 104911006), (31, 67684520), (40, 52455503), (62, 33842260), (124, 16921130), (155, 13536904), (173, 12128440), (248, 8460565), (310, 6768452), (346, 6064220), (620, 3384226), (692, 3032110), (865, 2425688), (1240, 1692113), (1384, 1516055), (1730, 1212844), (3460, 606422), (5363, 391240), (6920, 303211), (9781, 214520), (10726, 195620), (19562, 107260), (21452, 97810), (26815, 78248), (39124, 53630), (42904, 48905)]