2001474580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:474

約数の個数: 144

約数和(自身を含む): 5023435536

約数和(自身を除く): 3021960956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 101, 140, 146, 196, 202, 245, 277, 292, 365, 404, 490, 505, 511, 554, 707, 730, 980, 1010, 1022, 1108, 1385, 1414, 1460, 1939, 2020, 2044, 2555, 2770, 2828, 3535, 3577, 3878, 4949, 5110, 5540, 7070, 7154, 7373, 7756, 9695, 9898, 10220, 13573, 14140, 14308, 14746, 17885, 19390, 19796, 20221, 24745, 27146, 27977, 29492, 35770, 36865, 38780, 40442, 49490, 51611, 54292, 55954, 67865, 71540, 73730, 80884, 98980, 101105, 103222, 111908, 135730, 139885, 141547, 147460, 195839, 202210, 206444, 258055, 271460, 279770, 283094, 361277, 391678, 404420, 516110, 559540, 566188, 707735, 722554, 783356, 979195, 990829, 1032220, 1370873, 1415470, 1445108, 1806385, 1958390, 1981658, 2042321, 2741746, 2830940, 3612770, 3916780, 3963316, 4084642, 4954145, 5483492, 6854365, 7225540, 8169284, 9908290, 10211605, 13708730, 14296247, 19816580, 20423210, 27417460, 28592494, 40846420, 57184988, 71481235, 100073729, 142962470, 200147458, 285924940, 400294916, 500368645, 1000737290, 2001474580]

約数ペア:

[(1, 2001474580), (2, 1000737290), (4, 500368645), (5, 400294916), (7, 285924940), (10, 200147458), (14, 142962470), (20, 100073729), (28, 71481235), (35, 57184988), (49, 40846420), (70, 28592494), (73, 27417460), (98, 20423210), (101, 19816580), (140, 14296247), (146, 13708730), (196, 10211605), (202, 9908290), (245, 8169284), (277, 7225540), (292, 6854365), (365, 5483492), (404, 4954145), (490, 4084642), (505, 3963316), (511, 3916780), (554, 3612770), (707, 2830940), (730, 2741746), (980, 2042321), (1010, 1981658), (1022, 1958390), (1108, 1806385), (1385, 1445108), (1414, 1415470), (1460, 1370873), (1939, 1032220), (2020, 990829), (2044, 979195), (2555, 783356), (2770, 722554), (2828, 707735), (3535, 566188), (3577, 559540), (3878, 516110), (4949, 404420), (5110, 391678), (5540, 361277), (7070, 283094), (7154, 279770), (7373, 271460), (7756, 258055), (9695, 206444), (9898, 202210), (10220, 195839), (13573, 147460), (14140, 141547), (14308, 139885), (14746, 135730), (17885, 111908), (19390, 103222), (19796, 101105), (20221, 98980), (24745, 80884), (27146, 73730), (27977, 71540), (29492, 67865), (35770, 55954), (36865, 54292), (38780, 51611), (40442, 49490)]