181869740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1789}}^1$

素因数の和:1851

約数の個数: 96

約数和(自身を含む): 454688640

約数和(自身を除く): 272818900

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 23, 26, 34, 46, 52, 65, 68, 85, 92, 115, 130, 170, 221, 230, 260, 299, 340, 391, 442, 460, 598, 782, 884, 1105, 1196, 1495, 1564, 1789, 1955, 2210, 2990, 3578, 3910, 4420, 5083, 5980, 7156, 7820, 8945, 10166, 17890, 20332, 23257, 25415, 30413, 35780, 41147, 46514, 50830, 60826, 82294, 93028, 101660, 116285, 121652, 152065, 164588, 205735, 232570, 304130, 395369, 411470, 465140, 534911, 608260, 699499, 790738, 822940, 1069822, 1398998, 1581476, 1976845, 2139644, 2674555, 2797996, 3497495, 3953690, 5349110, 6994990, 7907380, 9093487, 10698220, 13989980, 18186974, 36373948, 45467435, 90934870, 181869740]

約数ペア:

[(1, 181869740), (2, 90934870), (4, 45467435), (5, 36373948), (10, 18186974), (13, 13989980), (17, 10698220), (20, 9093487), (23, 7907380), (26, 6994990), (34, 5349110), (46, 3953690), (52, 3497495), (65, 2797996), (68, 2674555), (85, 2139644), (92, 1976845), (115, 1581476), (130, 1398998), (170, 1069822), (221, 822940), (230, 790738), (260, 699499), (299, 608260), (340, 534911), (391, 465140), (442, 411470), (460, 395369), (598, 304130), (782, 232570), (884, 205735), (1105, 164588), (1196, 152065), (1495, 121652), (1564, 116285), (1789, 101660), (1955, 93028), (2210, 82294), (2990, 60826), (3578, 50830), (3910, 46514), (4420, 41147), (5083, 35780), (5980, 30413), (7156, 25415), (7820, 23257), (8945, 20332), (10166, 17890)]