428090260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4211}}^1$

素因数の和:4273

約数の個数: 96

約数和(自身を含む): 1069915392

約数和(自身を除く): 641825132

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, 1955, 2210, 2990, 3910, 4211, 4420, 5083, 5980, 7820, 8422, 10166, 16844, 20332, 21055, 25415, 42110, 50830, 54743, 71587, 84220, 96853, 101660, 109486, 143174, 193706, 218972, 273715, 286348, 357935, 387412, 484265, 547430, 715870, 930631, 968530, 1094860, 1259089, 1431740, 1646501, 1861262, 1937060, 2518178, 3293002, 3722524, 4653155, 5036356, 6295445, 6586004, 8232505, 9306310, 12590890, 16465010, 18612620, 21404513, 25181780, 32930020, 42809026, 85618052, 107022565, 214045130, 428090260]

約数ペア:

[(1, 428090260), (2, 214045130), (4, 107022565), (5, 85618052), (10, 42809026), (13, 32930020), (17, 25181780), (20, 21404513), (23, 18612620), (26, 16465010), (34, 12590890), (46, 9306310), (52, 8232505), (65, 6586004), (68, 6295445), (85, 5036356), (92, 4653155), (115, 3722524), (130, 3293002), (170, 2518178), (221, 1937060), (230, 1861262), (260, 1646501), (299, 1431740), (340, 1259089), (391, 1094860), (442, 968530), (460, 930631), (598, 715870), (782, 547430), (884, 484265), (1105, 387412), (1196, 357935), (1495, 286348), (1564, 273715), (1955, 218972), (2210, 193706), (2990, 143174), (3910, 109486), (4211, 101660), (4420, 96853), (5083, 84220), (5980, 71587), (7820, 54743), (8422, 50830), (10166, 42110), (16844, 25415), (20332, 21055)]