502371740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:607

約数の個数: 96

約数和(自身を含む): 1183225344

約数和(自身を除く): 680853604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 157, 260, 310, 314, 397, 403, 620, 628, 785, 794, 806, 1570, 1588, 1612, 1985, 2015, 2041, 3140, 3970, 4030, 4082, 4867, 5161, 7940, 8060, 8164, 9734, 10205, 10322, 12307, 19468, 20410, 20644, 24335, 24614, 25805, 40820, 48670, 49228, 51610, 61535, 62329, 63271, 97340, 103220, 123070, 124658, 126542, 159991, 246140, 249316, 253084, 311645, 316355, 319982, 623290, 632710, 639964, 799955, 810277, 1246580, 1265420, 1599910, 1620554, 1932199, 3199820, 3241108, 3864398, 4051385, 7728796, 8102770, 9660995, 16205540, 19321990, 25118587, 38643980, 50237174, 100474348, 125592935, 251185870, 502371740]

約数ペア:

[(1, 502371740), (2, 251185870), (4, 125592935), (5, 100474348), (10, 50237174), (13, 38643980), (20, 25118587), (26, 19321990), (31, 16205540), (52, 9660995), (62, 8102770), (65, 7728796), (124, 4051385), (130, 3864398), (155, 3241108), (157, 3199820), (260, 1932199), (310, 1620554), (314, 1599910), (397, 1265420), (403, 1246580), (620, 810277), (628, 799955), (785, 639964), (794, 632710), (806, 623290), (1570, 319982), (1588, 316355), (1612, 311645), (1985, 253084), (2015, 249316), (2041, 246140), (3140, 159991), (3970, 126542), (4030, 124658), (4082, 123070), (4867, 103220), (5161, 97340), (7940, 63271), (8060, 62329), (8164, 61535), (9734, 51610), (10205, 49228), (10322, 48670), (12307, 40820), (19468, 25805), (20410, 24614), (20644, 24335)]