205890250

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{587}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 409473792

約数和(自身を除く): 203583542

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 61, 115, 122, 125, 230, 250, 305, 575, 587, 610, 1150, 1174, 1403, 1525, 2806, 2875, 2935, 3050, 5750, 5870, 7015, 7625, 13501, 14030, 14675, 15250, 27002, 29350, 35075, 35807, 67505, 70150, 71614, 73375, 135010, 146750, 175375, 179035, 337525, 350750, 358070, 675050, 823561, 895175, 1647122, 1687625, 1790350, 3375250, 4117805, 4475875, 8235610, 8951750, 20589025, 41178050, 102945125, 205890250]

約数ペア:

[(1, 205890250), (2, 102945125), (5, 41178050), (10, 20589025), (23, 8951750), (25, 8235610), (46, 4475875), (50, 4117805), (61, 3375250), (115, 1790350), (122, 1687625), (125, 1647122), (230, 895175), (250, 823561), (305, 675050), (575, 358070), (587, 350750), (610, 337525), (1150, 179035), (1174, 175375), (1403, 146750), (1525, 135010), (2806, 73375), (2875, 71614), (2935, 70150), (3050, 67505), (5750, 35807), (5870, 35075), (7015, 29350), (7625, 27002), (13501, 15250), (14030, 14675)]