251248590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{421}}^1$

素因数の和:802

約数の個数: 96

約数和(自身を含む): 691236000

約数和(自身を除く): 439987410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 349, 421, 570, 698, 842, 855, 1047, 1263, 1710, 1745, 2094, 2105, 2526, 3141, 3490, 3789, 4210, 5235, 6282, 6315, 6631, 7578, 7999, 10470, 12630, 13262, 15705, 15998, 18945, 19893, 23997, 31410, 33155, 37890, 39786, 39995, 47994, 59679, 66310, 71991, 79990, 99465, 119358, 119985, 143982, 146929, 198930, 239970, 293858, 298395, 359955, 440787, 596790, 719910, 734645, 881574, 1322361, 1469290, 2203935, 2644722, 2791651, 4407870, 5583302, 6611805, 8374953, 13223610, 13958255, 16749906, 25124859, 27916510, 41874765, 50249718, 83749530, 125624295, 251248590]

約数ペア:

[(1, 251248590), (2, 125624295), (3, 83749530), (5, 50249718), (6, 41874765), (9, 27916510), (10, 25124859), (15, 16749906), (18, 13958255), (19, 13223610), (30, 8374953), (38, 6611805), (45, 5583302), (57, 4407870), (90, 2791651), (95, 2644722), (114, 2203935), (171, 1469290), (190, 1322361), (285, 881574), (342, 734645), (349, 719910), (421, 596790), (570, 440787), (698, 359955), (842, 298395), (855, 293858), (1047, 239970), (1263, 198930), (1710, 146929), (1745, 143982), (2094, 119985), (2105, 119358), (2526, 99465), (3141, 79990), (3490, 71991), (3789, 66310), (4210, 59679), (5235, 47994), (6282, 39995), (6315, 39786), (6631, 37890), (7578, 33155), (7999, 31410), (10470, 23997), (12630, 19893), (13262, 18945), (15705, 15998)]