1330288340

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 2939328000

約数和(自身を除く): 1609039660

約数列:

[1, 2, 4, 5, 10, 20, 53, 59, 89, 106, 118, 178, 212, 236, 239, 265, 295, 356, 445, 478, 530, 590, 890, 956, 1060, 1180, 1195, 1780, 2390, 3127, 4717, 4780, 5251, 6254, 9434, 10502, 12508, 12667, 14101, 15635, 18868, 21004, 21271, 23585, 25334, 26255, 28202, 31270, 42542, 47170, 50668, 52510, 56404, 62540, 63335, 70505, 85084, 94340, 105020, 106355, 126670, 141010, 212710, 253340, 278303, 282020, 425420, 556606, 747353, 1113212, 1127363, 1254989, 1391515, 1494706, 2254726, 2509978, 2783030, 2989412, 3736765, 4509452, 5019956, 5566060, 5636815, 6274945, 7473530, 11273630, 12549890, 14947060, 22547260, 25099780, 66514417, 133028834, 266057668, 332572085, 665144170, 1330288340]

約数ペア:

[(1, 1330288340), (2, 665144170), (4, 332572085), (5, 266057668), (10, 133028834), (20, 66514417), (53, 25099780), (59, 22547260), (89, 14947060), (106, 12549890), (118, 11273630), (178, 7473530), (212, 6274945), (236, 5636815), (239, 5566060), (265, 5019956), (295, 4509452), (356, 3736765), (445, 2989412), (478, 2783030), (530, 2509978), (590, 2254726), (890, 1494706), (956, 1391515), (1060, 1254989), (1180, 1127363), (1195, 1113212), (1780, 747353), (2390, 556606), (3127, 425420), (4717, 282020), (4780, 278303), (5251, 253340), (6254, 212710), (9434, 141010), (10502, 126670), (12508, 106355), (12667, 105020), (14101, 94340), (15635, 85084), (18868, 70505), (21004, 63335), (21271, 62540), (23585, 56404), (25334, 52510), (26255, 50668), (28202, 47170), (31270, 42542)]