190120980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{64667}}^1$

素因数の和:64693

約数の個数: 72

約数和(自身を含む): 619260768

約数和(自身を除く): 429139788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 64667, 129334, 194001, 258668, 323335, 388002, 452669, 646670, 776004, 905338, 970005, 1293340, 1358007, 1810676, 1940010, 2263345, 2716014, 3168683, 3880020, 4526690, 5432028, 6337366, 6790035, 9053380, 9506049, 12674732, 13580070, 15843415, 19012098, 27160140, 31686830, 38024196, 47530245, 63373660, 95060490, 190120980]

約数ペア:

[(1, 190120980), (2, 95060490), (3, 63373660), (4, 47530245), (5, 38024196), (6, 31686830), (7, 27160140), (10, 19012098), (12, 15843415), (14, 13580070), (15, 12674732), (20, 9506049), (21, 9053380), (28, 6790035), (30, 6337366), (35, 5432028), (42, 4526690), (49, 3880020), (60, 3168683), (70, 2716014), (84, 2263345), (98, 1940010), (105, 1810676), (140, 1358007), (147, 1293340), (196, 970005), (210, 905338), (245, 776004), (294, 646670), (420, 452669), (490, 388002), (588, 323335), (735, 258668), (980, 194001), (1470, 129334), (2940, 64667)]