189858340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{1283}}^1$

素因数の和:1457

約数の個数: 72

約数和(自身を含む): 467232192

約数和(自身を除く): 277373852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 151, 196, 245, 302, 490, 604, 755, 980, 1057, 1283, 1510, 2114, 2566, 3020, 4228, 5132, 5285, 6415, 7399, 8981, 10570, 12830, 14798, 17962, 21140, 25660, 29596, 35924, 36995, 44905, 62867, 73990, 89810, 125734, 147980, 179620, 193733, 251468, 314335, 387466, 628670, 774932, 968665, 1257340, 1356131, 1937330, 2712262, 3874660, 5424524, 6780655, 9492917, 13561310, 18985834, 27122620, 37971668, 47464585, 94929170, 189858340]

約数ペア:

[(1, 189858340), (2, 94929170), (4, 47464585), (5, 37971668), (7, 27122620), (10, 18985834), (14, 13561310), (20, 9492917), (28, 6780655), (35, 5424524), (49, 3874660), (70, 2712262), (98, 1937330), (140, 1356131), (151, 1257340), (196, 968665), (245, 774932), (302, 628670), (490, 387466), (604, 314335), (755, 251468), (980, 193733), (1057, 179620), (1283, 147980), (1510, 125734), (2114, 89810), (2566, 73990), (3020, 62867), (4228, 44905), (5132, 36995), (5285, 35924), (6415, 29596), (7399, 25660), (8981, 21140), (10570, 17962), (12830, 14798)]