839657320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1$

素因数の和:623

約数の個数: 128

約数和(自身を含む): 2073600000

約数和(自身を除く): 1233942680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 59, 62, 92, 115, 118, 124, 155, 184, 230, 236, 248, 295, 310, 460, 472, 499, 590, 620, 713, 920, 998, 1180, 1240, 1357, 1426, 1829, 1996, 2360, 2495, 2714, 2852, 3565, 3658, 3992, 4990, 5428, 5704, 6785, 7130, 7316, 9145, 9980, 10856, 11477, 13570, 14260, 14632, 15469, 18290, 19960, 22954, 27140, 28520, 29441, 30938, 36580, 42067, 45908, 54280, 57385, 58882, 61876, 73160, 77345, 84134, 91816, 114770, 117764, 123752, 147205, 154690, 168268, 210335, 229540, 235528, 294410, 309380, 336536, 355787, 420670, 459080, 588820, 618760, 677143, 711574, 841340, 912671, 1177640, 1354286, 1423148, 1682680, 1778935, 1825342, 2708572, 2846296, 3385715, 3557870, 3650684, 4563355, 5417144, 6771430, 7115740, 7301368, 9126710, 13542860, 14231480, 18253420, 20991433, 27085720, 36506840, 41982866, 83965732, 104957165, 167931464, 209914330, 419828660, 839657320]

約数ペア:

[(1, 839657320), (2, 419828660), (4, 209914330), (5, 167931464), (8, 104957165), (10, 83965732), (20, 41982866), (23, 36506840), (31, 27085720), (40, 20991433), (46, 18253420), (59, 14231480), (62, 13542860), (92, 9126710), (115, 7301368), (118, 7115740), (124, 6771430), (155, 5417144), (184, 4563355), (230, 3650684), (236, 3557870), (248, 3385715), (295, 2846296), (310, 2708572), (460, 1825342), (472, 1778935), (499, 1682680), (590, 1423148), (620, 1354286), (713, 1177640), (920, 912671), (998, 841340), (1180, 711574), (1240, 677143), (1357, 618760), (1426, 588820), (1829, 459080), (1996, 420670), (2360, 355787), (2495, 336536), (2714, 309380), (2852, 294410), (3565, 235528), (3658, 229540), (3992, 210335), (4990, 168268), (5428, 154690), (5704, 147205), (6785, 123752), (7130, 117764), (7316, 114770), (9145, 91816), (9980, 84134), (10856, 77345), (11477, 73160), (13570, 61876), (14260, 58882), (14632, 57385), (15469, 54280), (18290, 45908), (19960, 42067), (22954, 36580), (27140, 30938), (28520, 29441)]