840504995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 1201305600

約数和(自身を除く): 360800605

約数列:

[1, 5, 11, 19, 47, 55, 95, 109, 157, 209, 235, 517, 545, 785, 893, 1045, 1199, 1727, 2071, 2585, 2983, 4465, 5123, 5995, 7379, 8635, 9823, 10355, 14915, 17113, 22781, 25615, 32813, 36895, 49115, 56353, 81169, 85565, 97337, 113905, 140201, 164065, 188243, 281765, 325147, 405845, 486685, 701005, 804311, 941215, 1070707, 1542211, 1625735, 3576617, 4021555, 5353535, 7711055, 8847421, 15281909, 17883085, 44237105, 76409545, 168100999, 840504995]

約数ペア:

[(1, 840504995), (5, 168100999), (11, 76409545), (19, 44237105), (47, 17883085), (55, 15281909), (95, 8847421), (109, 7711055), (157, 5353535), (209, 4021555), (235, 3576617), (517, 1625735), (545, 1542211), (785, 1070707), (893, 941215), (1045, 804311), (1199, 701005), (1727, 486685), (2071, 405845), (2585, 325147), (2983, 281765), (4465, 188243), (5123, 164065), (5995, 140201), (7379, 113905), (8635, 97337), (9823, 85565), (10355, 81169), (14915, 56353), (17113, 49115), (22781, 36895), (25615, 32813)]