19078690100

素因数分解:

$2^2\times 5^2\times {\mathrm{149}}^1\times {\mathrm{787}}^1\times {\mathrm{1627}}^1$

素因数の和:2577

約数の個数: 72

約数和(自身を含む): 41757223200

約数和(自身を除く): 22678533100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 149, 298, 596, 745, 787, 1490, 1574, 1627, 2980, 3148, 3254, 3725, 3935, 6508, 7450, 7870, 8135, 14900, 15740, 16270, 19675, 32540, 39350, 40675, 78700, 81350, 117263, 162700, 234526, 242423, 469052, 484846, 586315, 969692, 1172630, 1212115, 1280449, 2345260, 2424230, 2560898, 2931575, 4848460, 5121796, 5863150, 6060575, 6402245, 11726300, 12121150, 12804490, 24242300, 25608980, 32011225, 64022450, 128044900, 190786901, 381573802, 763147604, 953934505, 1907869010, 3815738020, 4769672525, 9539345050, 19078690100]

約数ペア:

[(1, 19078690100), (2, 9539345050), (4, 4769672525), (5, 3815738020), (10, 1907869010), (20, 953934505), (25, 763147604), (50, 381573802), (100, 190786901), (149, 128044900), (298, 64022450), (596, 32011225), (745, 25608980), (787, 24242300), (1490, 12804490), (1574, 12121150), (1627, 11726300), (2980, 6402245), (3148, 6060575), (3254, 5863150), (3725, 5121796), (3935, 4848460), (6508, 2931575), (7450, 2560898), (7870, 2424230), (8135, 2345260), (14900, 1280449), (15740, 1212115), (16270, 1172630), (19675, 969692), (32540, 586315), (39350, 484846), (40675, 469052), (78700, 242423), (81350, 234526), (117263, 162700)]