213118750

素因数分解:

$2^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 447533856

約数和(自身を除く): 234415106

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 61, 65, 86, 122, 125, 130, 215, 250, 305, 325, 430, 559, 610, 625, 650, 793, 1075, 1118, 1250, 1525, 1586, 1625, 2150, 2623, 2795, 3050, 3125, 3250, 3965, 5246, 5375, 5590, 6250, 7625, 7930, 8125, 10750, 13115, 13975, 15250, 16250, 19825, 26230, 26875, 27950, 34099, 38125, 39650, 40625, 53750, 65575, 68198, 69875, 76250, 81250, 99125, 131150, 134375, 139750, 170495, 190625, 198250, 268750, 327875, 340990, 349375, 381250, 495625, 655750, 698750, 852475, 991250, 1639375, 1704950, 1746875, 2478125, 3278750, 3493750, 4262375, 4956250, 8196875, 8524750, 16393750, 21311875, 42623750, 106559375, 213118750]

約数ペア:

[(1, 213118750), (2, 106559375), (5, 42623750), (10, 21311875), (13, 16393750), (25, 8524750), (26, 8196875), (43, 4956250), (50, 4262375), (61, 3493750), (65, 3278750), (86, 2478125), (122, 1746875), (125, 1704950), (130, 1639375), (215, 991250), (250, 852475), (305, 698750), (325, 655750), (430, 495625), (559, 381250), (610, 349375), (625, 340990), (650, 327875), (793, 268750), (1075, 198250), (1118, 190625), (1250, 170495), (1525, 139750), (1586, 134375), (1625, 131150), (2150, 99125), (2623, 81250), (2795, 76250), (3050, 69875), (3125, 68198), (3250, 65575), (3965, 53750), (5246, 40625), (5375, 39650), (5590, 38125), (6250, 34099), (7625, 27950), (7930, 26875), (8125, 26230), (10750, 19825), (13115, 16250), (13975, 15250)]