201319820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:615

約数の個数: 96

約数和(自身を含む): 486017280

約数和(自身を除く): 284697460

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 83, 95, 130, 166, 190, 247, 260, 332, 380, 415, 491, 494, 830, 982, 988, 1079, 1235, 1577, 1660, 1964, 2158, 2455, 2470, 3154, 4316, 4910, 4940, 5395, 6308, 6383, 7885, 9329, 9820, 10790, 12766, 15770, 18658, 20501, 21580, 25532, 31540, 31915, 37316, 40753, 41002, 46645, 63830, 81506, 82004, 93290, 102505, 121277, 127660, 163012, 186580, 203765, 205010, 242554, 407530, 410020, 485108, 529789, 606385, 774307, 815060, 1059578, 1212770, 1548614, 2119156, 2425540, 2648945, 3097228, 3871535, 5297890, 7743070, 10065991, 10595780, 15486140, 20131982, 40263964, 50329955, 100659910, 201319820]

約数ペア:

[(1, 201319820), (2, 100659910), (4, 50329955), (5, 40263964), (10, 20131982), (13, 15486140), (19, 10595780), (20, 10065991), (26, 7743070), (38, 5297890), (52, 3871535), (65, 3097228), (76, 2648945), (83, 2425540), (95, 2119156), (130, 1548614), (166, 1212770), (190, 1059578), (247, 815060), (260, 774307), (332, 606385), (380, 529789), (415, 485108), (491, 410020), (494, 407530), (830, 242554), (982, 205010), (988, 203765), (1079, 186580), (1235, 163012), (1577, 127660), (1660, 121277), (1964, 102505), (2158, 93290), (2455, 82004), (2470, 81506), (3154, 63830), (4316, 46645), (4910, 41002), (4940, 40753), (5395, 37316), (6308, 31915), (6383, 31540), (7885, 25532), (9329, 21580), (9820, 20501), (10790, 18658), (12766, 15770)]