1640986490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{60397}}^1$

素因数の和:60447

約数の個数: 64

約数和(自身を含む): 3652871040

約数和(自身を除く): 2011884550

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 55, 65, 95, 110, 130, 143, 190, 209, 247, 286, 418, 494, 715, 1045, 1235, 1430, 2090, 2470, 2717, 5434, 13585, 27170, 60397, 120794, 301985, 603970, 664367, 785161, 1147543, 1328734, 1570322, 2295086, 3321835, 3925805, 5737715, 6643670, 7851610, 8636771, 11475430, 12622973, 14918059, 17273542, 25245946, 29836118, 43183855, 63114865, 74590295, 86367710, 126229730, 149180590, 164098649, 328197298, 820493245, 1640986490]

約数ペア:

[(1, 1640986490), (2, 820493245), (5, 328197298), (10, 164098649), (11, 149180590), (13, 126229730), (19, 86367710), (22, 74590295), (26, 63114865), (38, 43183855), (55, 29836118), (65, 25245946), (95, 17273542), (110, 14918059), (130, 12622973), (143, 11475430), (190, 8636771), (209, 7851610), (247, 6643670), (286, 5737715), (418, 3925805), (494, 3321835), (715, 2295086), (1045, 1570322), (1235, 1328734), (1430, 1147543), (2090, 785161), (2470, 664367), (2717, 603970), (5434, 301985), (13585, 120794), (27170, 60397)]