203423740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 476280000

約数和(自身を除く): 272856260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 89, 118, 130, 149, 178, 236, 260, 295, 298, 356, 445, 590, 596, 745, 767, 890, 1157, 1180, 1490, 1534, 1780, 1937, 2314, 2980, 3068, 3835, 3874, 4628, 5251, 5785, 7670, 7748, 8791, 9685, 10502, 11570, 13261, 15340, 17582, 19370, 21004, 23140, 26255, 26522, 35164, 38740, 43955, 52510, 53044, 66305, 68263, 87910, 105020, 114283, 132610, 136526, 172393, 175820, 228566, 265220, 273052, 341315, 344786, 457132, 571415, 682630, 689572, 782399, 861965, 1142830, 1365260, 1564798, 1723930, 2285660, 3129596, 3447860, 3911995, 7823990, 10171187, 15647980, 20342374, 40684748, 50855935, 101711870, 203423740]

約数ペア:

[(1, 203423740), (2, 101711870), (4, 50855935), (5, 40684748), (10, 20342374), (13, 15647980), (20, 10171187), (26, 7823990), (52, 3911995), (59, 3447860), (65, 3129596), (89, 2285660), (118, 1723930), (130, 1564798), (149, 1365260), (178, 1142830), (236, 861965), (260, 782399), (295, 689572), (298, 682630), (356, 571415), (445, 457132), (590, 344786), (596, 341315), (745, 273052), (767, 265220), (890, 228566), (1157, 175820), (1180, 172393), (1490, 136526), (1534, 132610), (1780, 114283), (1937, 105020), (2314, 87910), (2980, 68263), (3068, 66305), (3835, 53044), (3874, 52510), (4628, 43955), (5251, 38740), (5785, 35164), (7670, 26522), (7748, 26255), (8791, 23140), (9685, 21004), (10502, 19370), (11570, 17582), (13261, 15340)]