209396720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10597}}^1$

素因数の和:10642

約数の個数: 80

約数和(自身を含む): 551943840

約数和(自身を除く): 342547120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 10597, 19760, 21194, 42388, 52985, 84776, 105970, 137761, 169552, 201343, 211940, 275522, 402686, 423880, 551044, 688805, 805372, 847760, 1006715, 1102088, 1377610, 1610744, 2013430, 2204176, 2617459, 2755220, 3221488, 4026860, 5234918, 5510440, 8053720, 10469836, 11020880, 13087295, 16107440, 20939672, 26174590, 41879344, 52349180, 104698360, 209396720]

約数ペア:

[(1, 209396720), (2, 104698360), (4, 52349180), (5, 41879344), (8, 26174590), (10, 20939672), (13, 16107440), (16, 13087295), (19, 11020880), (20, 10469836), (26, 8053720), (38, 5510440), (40, 5234918), (52, 4026860), (65, 3221488), (76, 2755220), (80, 2617459), (95, 2204176), (104, 2013430), (130, 1610744), (152, 1377610), (190, 1102088), (208, 1006715), (247, 847760), (260, 805372), (304, 688805), (380, 551044), (494, 423880), (520, 402686), (760, 275522), (988, 211940), (1040, 201343), (1235, 169552), (1520, 137761), (1976, 105970), (2470, 84776), (3952, 52985), (4940, 42388), (9880, 21194), (10597, 19760)]