217156789720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{830237}}^1$

素因数の和:830764

約数の個数: 64

約数和(自身を含む): 527234339520

約数和(自身を除く): 310077549800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 503, 520, 1006, 2012, 2515, 4024, 5030, 6539, 10060, 13078, 20120, 26156, 32695, 52312, 65390, 130780, 261560, 830237, 1660474, 3320948, 4151185, 6641896, 8302370, 10793081, 16604740, 21586162, 33209480, 43172324, 53965405, 86344648, 107930810, 215861620, 417609211, 431723240, 835218422, 1670436844, 2088046055, 3340873688, 4176092110, 5428919743, 8352184220, 10857839486, 16704368440, 21715678972, 27144598715, 43431357944, 54289197430, 108578394860, 217156789720]

約数ペア:

[(1, 217156789720), (2, 108578394860), (4, 54289197430), (5, 43431357944), (8, 27144598715), (10, 21715678972), (13, 16704368440), (20, 10857839486), (26, 8352184220), (40, 5428919743), (52, 4176092110), (65, 3340873688), (104, 2088046055), (130, 1670436844), (260, 835218422), (503, 431723240), (520, 417609211), (1006, 215861620), (2012, 107930810), (2515, 86344648), (4024, 53965405), (5030, 43172324), (6539, 33209480), (10060, 21586162), (13078, 16604740), (20120, 10793081), (26156, 8302370), (32695, 6641896), (52312, 4151185), (65390, 3320948), (130780, 1660474), (261560, 830237)]