197808520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1753}}^1$

素因数の和:1815

約数の個数: 128

約数和(自身を含む): 565770240

約数和(自身を除く): 367961720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1753, 1820, 2015, 2170, 2821, 3224, 3506, 3640, 4030, 4340, 5642, 7012, 8060, 8680, 8765, 11284, 12271, 14024, 14105, 16120, 17530, 22568, 22789, 24542, 28210, 35060, 45578, 49084, 54343, 56420, 61355, 70120, 91156, 98168, 108686, 112840, 113945, 122710, 159523, 182312, 217372, 227890, 245420, 271715, 319046, 380401, 434744, 455780, 490840, 543430, 638092, 706459, 760802, 797615, 911560, 1086860, 1276184, 1412918, 1521604, 1595230, 1902005, 2173720, 2825836, 3043208, 3190460, 3532295, 3804010, 4945213, 5651672, 6380920, 7064590, 7608020, 9890426, 14129180, 15216040, 19780852, 24726065, 28258360, 39561704, 49452130, 98904260, 197808520]

約数ペア:

[(1, 197808520), (2, 98904260), (4, 49452130), (5, 39561704), (7, 28258360), (8, 24726065), (10, 19780852), (13, 15216040), (14, 14129180), (20, 9890426), (26, 7608020), (28, 7064590), (31, 6380920), (35, 5651672), (40, 4945213), (52, 3804010), (56, 3532295), (62, 3190460), (65, 3043208), (70, 2825836), (91, 2173720), (104, 1902005), (124, 1595230), (130, 1521604), (140, 1412918), (155, 1276184), (182, 1086860), (217, 911560), (248, 797615), (260, 760802), (280, 706459), (310, 638092), (364, 543430), (403, 490840), (434, 455780), (455, 434744), (520, 380401), (620, 319046), (728, 271715), (806, 245420), (868, 227890), (910, 217372), (1085, 182312), (1240, 159523), (1612, 122710), (1736, 113945), (1753, 112840), (1820, 108686), (2015, 98168), (2170, 91156), (2821, 70120), (3224, 61355), (3506, 56420), (3640, 54343), (4030, 49084), (4340, 45578), (5642, 35060), (7012, 28210), (8060, 24542), (8680, 22789), (8765, 22568), (11284, 17530), (12271, 16120), (14024, 14105)]