203218340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2061

約数の個数: 96

約数和(自身を含む): 508032000

約数和(自身を除く): 304813660

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, 1999, 2210, 2990, 3910, 3998, 4420, 5083, 5980, 7820, 7996, 9995, 10166, 19990, 20332, 25415, 25987, 33983, 39980, 45977, 50830, 51974, 67966, 91954, 101660, 103948, 129935, 135932, 169915, 183908, 229885, 259870, 339830, 441779, 459770, 519740, 597701, 679660, 781609, 883558, 919540, 1195402, 1563218, 1767116, 2208895, 2390804, 2988505, 3126436, 3908045, 4417790, 5977010, 7816090, 8835580, 10160917, 11954020, 15632180, 20321834, 40643668, 50804585, 101609170, 203218340]

約数ペア:

[(1, 203218340), (2, 101609170), (4, 50804585), (5, 40643668), (10, 20321834), (13, 15632180), (17, 11954020), (20, 10160917), (23, 8835580), (26, 7816090), (34, 5977010), (46, 4417790), (52, 3908045), (65, 3126436), (68, 2988505), (85, 2390804), (92, 2208895), (115, 1767116), (130, 1563218), (170, 1195402), (221, 919540), (230, 883558), (260, 781609), (299, 679660), (340, 597701), (391, 519740), (442, 459770), (460, 441779), (598, 339830), (782, 259870), (884, 229885), (1105, 183908), (1196, 169915), (1495, 135932), (1564, 129935), (1955, 103948), (1999, 101660), (2210, 91954), (2990, 67966), (3910, 51974), (3998, 50830), (4420, 45977), (5083, 39980), (5980, 33983), (7820, 25987), (7996, 25415), (9995, 20332), (10166, 19990)]