30847700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 73458840

約数和(自身を除く): 42611140

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 61, 65, 100, 122, 130, 244, 260, 305, 325, 389, 610, 650, 778, 793, 1220, 1300, 1525, 1556, 1586, 1945, 3050, 3172, 3890, 3965, 5057, 6100, 7780, 7930, 9725, 10114, 15860, 19450, 19825, 20228, 23729, 25285, 38900, 39650, 47458, 50570, 79300, 94916, 101140, 118645, 126425, 237290, 252850, 308477, 474580, 505700, 593225, 616954, 1186450, 1233908, 1542385, 2372900, 3084770, 6169540, 7711925, 15423850, 30847700]

約数ペア:

[(1, 30847700), (2, 15423850), (4, 7711925), (5, 6169540), (10, 3084770), (13, 2372900), (20, 1542385), (25, 1233908), (26, 1186450), (50, 616954), (52, 593225), (61, 505700), (65, 474580), (100, 308477), (122, 252850), (130, 237290), (244, 126425), (260, 118645), (305, 101140), (325, 94916), (389, 79300), (610, 50570), (650, 47458), (778, 39650), (793, 38900), (1220, 25285), (1300, 23729), (1525, 20228), (1556, 19825), (1586, 19450), (1945, 15860), (3050, 10114), (3172, 9725), (3890, 7930), (3965, 7780), (5057, 6100)]