214665100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2707}}^1$

素因数の和:2795

約数の個数: 72

約数和(自身を含む): 510068048

約数和(自身を除く): 295402948

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 61, 65, 100, 122, 130, 244, 260, 305, 325, 610, 650, 793, 1220, 1300, 1525, 1586, 2707, 3050, 3172, 3965, 5414, 6100, 7930, 10828, 13535, 15860, 19825, 27070, 35191, 39650, 54140, 67675, 70382, 79300, 135350, 140764, 165127, 175955, 270700, 330254, 351910, 660508, 703820, 825635, 879775, 1651270, 1759550, 2146651, 3302540, 3519100, 4128175, 4293302, 8256350, 8586604, 10733255, 16512700, 21466510, 42933020, 53666275, 107332550, 214665100]

約数ペア:

[(1, 214665100), (2, 107332550), (4, 53666275), (5, 42933020), (10, 21466510), (13, 16512700), (20, 10733255), (25, 8586604), (26, 8256350), (50, 4293302), (52, 4128175), (61, 3519100), (65, 3302540), (100, 2146651), (122, 1759550), (130, 1651270), (244, 879775), (260, 825635), (305, 703820), (325, 660508), (610, 351910), (650, 330254), (793, 270700), (1220, 175955), (1300, 165127), (1525, 140764), (1586, 135350), (2707, 79300), (3050, 70382), (3172, 67675), (3965, 54140), (5414, 39650), (6100, 35191), (7930, 27070), (10828, 19825), (13535, 15860)]