447025540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5323}}^1$

素因数の和:5381

約数の個数: 96

約数和(自身を含む): 1126984320

約数和(自身を除く): 679958780

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 65, 68, 76, 85, 95, 130, 170, 190, 221, 247, 260, 323, 340, 380, 442, 494, 646, 884, 988, 1105, 1235, 1292, 1615, 2210, 2470, 3230, 4199, 4420, 4940, 5323, 6460, 8398, 10646, 16796, 20995, 21292, 26615, 41990, 53230, 69199, 83980, 90491, 101137, 106460, 138398, 180982, 202274, 276796, 345995, 361964, 404548, 452455, 505685, 691990, 904910, 1011370, 1176383, 1314781, 1383980, 1719329, 1809820, 2022740, 2352766, 2629562, 3438658, 4705532, 5259124, 5881915, 6573905, 6877316, 8596645, 11763830, 13147810, 17193290, 22351277, 23527660, 26295620, 34386580, 44702554, 89405108, 111756385, 223512770, 447025540]

約数ペア:

[(1, 447025540), (2, 223512770), (4, 111756385), (5, 89405108), (10, 44702554), (13, 34386580), (17, 26295620), (19, 23527660), (20, 22351277), (26, 17193290), (34, 13147810), (38, 11763830), (52, 8596645), (65, 6877316), (68, 6573905), (76, 5881915), (85, 5259124), (95, 4705532), (130, 3438658), (170, 2629562), (190, 2352766), (221, 2022740), (247, 1809820), (260, 1719329), (323, 1383980), (340, 1314781), (380, 1176383), (442, 1011370), (494, 904910), (646, 691990), (884, 505685), (988, 452455), (1105, 404548), (1235, 361964), (1292, 345995), (1615, 276796), (2210, 202274), (2470, 180982), (3230, 138398), (4199, 106460), (4420, 101137), (4940, 90491), (5323, 83980), (6460, 69199), (8398, 53230), (10646, 41990), (16796, 26615), (20995, 21292)]