245403795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 512354304

約数和(自身を除く): 266950509

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 37, 39, 43, 65, 91, 105, 111, 113, 129, 185, 195, 215, 259, 273, 301, 339, 455, 481, 555, 559, 565, 645, 777, 791, 903, 1295, 1365, 1443, 1469, 1505, 1591, 1677, 1695, 2373, 2405, 2795, 3367, 3885, 3913, 3955, 4181, 4407, 4515, 4773, 4859, 7215, 7345, 7955, 8385, 10101, 10283, 11137, 11739, 11865, 12543, 14577, 16835, 19565, 20683, 20905, 22035, 23865, 24295, 29267, 30849, 33411, 34013, 50505, 51415, 54353, 55685, 58695, 62049, 62715, 63167, 72885, 87801, 102039, 103415, 144781, 146335, 154245, 163059, 167055, 170065, 179783, 189501, 271765, 310245, 315835, 380471, 434343, 439005, 442169, 510195, 539349, 723905, 815295, 898915, 947505, 1141413, 1258481, 1326507, 1902355, 2171715, 2210845, 2337179, 2696745, 3775443, 5707065, 6292405, 6632535, 7011537, 11685895, 16360253, 18877215, 35057685, 49080759, 81801265, 245403795]

約数ペア:

[(1, 245403795), (3, 81801265), (5, 49080759), (7, 35057685), (13, 18877215), (15, 16360253), (21, 11685895), (35, 7011537), (37, 6632535), (39, 6292405), (43, 5707065), (65, 3775443), (91, 2696745), (105, 2337179), (111, 2210845), (113, 2171715), (129, 1902355), (185, 1326507), (195, 1258481), (215, 1141413), (259, 947505), (273, 898915), (301, 815295), (339, 723905), (455, 539349), (481, 510195), (555, 442169), (559, 439005), (565, 434343), (645, 380471), (777, 315835), (791, 310245), (903, 271765), (1295, 189501), (1365, 179783), (1443, 170065), (1469, 167055), (1505, 163059), (1591, 154245), (1677, 146335), (1695, 144781), (2373, 103415), (2405, 102039), (2795, 87801), (3367, 72885), (3885, 63167), (3913, 62715), (3955, 62049), (4181, 58695), (4407, 55685), (4515, 54353), (4773, 51415), (4859, 50505), (7215, 34013), (7345, 33411), (7955, 30849), (8385, 29267), (10101, 24295), (10283, 23865), (11137, 22035), (11739, 20905), (11865, 20683), (12543, 19565), (14577, 16835)]