201488840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 541900800

約数和(自身を除く): 340411960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 139, 140, 155, 167, 217, 248, 278, 280, 310, 334, 434, 556, 620, 668, 695, 835, 868, 973, 1085, 1112, 1169, 1240, 1336, 1390, 1670, 1736, 1946, 2170, 2338, 2780, 3340, 3892, 4309, 4340, 4676, 4865, 5177, 5560, 5845, 6680, 7784, 8618, 8680, 9352, 9730, 10354, 11690, 17236, 19460, 20708, 21545, 23213, 23380, 25885, 30163, 34472, 36239, 38920, 41416, 43090, 46426, 46760, 51770, 60326, 72478, 86180, 92852, 103540, 116065, 120652, 144956, 150815, 162491, 172360, 181195, 185704, 207080, 232130, 241304, 289912, 301630, 324982, 362390, 464260, 603260, 649964, 719603, 724780, 812455, 928520, 1206520, 1299928, 1439206, 1449560, 1624910, 2878412, 3249820, 3598015, 5037221, 5756824, 6499640, 7196030, 10074442, 14392060, 20148884, 25186105, 28784120, 40297768, 50372210, 100744420, 201488840]

約数ペア:

[(1, 201488840), (2, 100744420), (4, 50372210), (5, 40297768), (7, 28784120), (8, 25186105), (10, 20148884), (14, 14392060), (20, 10074442), (28, 7196030), (31, 6499640), (35, 5756824), (40, 5037221), (56, 3598015), (62, 3249820), (70, 2878412), (124, 1624910), (139, 1449560), (140, 1439206), (155, 1299928), (167, 1206520), (217, 928520), (248, 812455), (278, 724780), (280, 719603), (310, 649964), (334, 603260), (434, 464260), (556, 362390), (620, 324982), (668, 301630), (695, 289912), (835, 241304), (868, 232130), (973, 207080), (1085, 185704), (1112, 181195), (1169, 172360), (1240, 162491), (1336, 150815), (1390, 144956), (1670, 120652), (1736, 116065), (1946, 103540), (2170, 92852), (2338, 86180), (2780, 72478), (3340, 60326), (3892, 51770), (4309, 46760), (4340, 46426), (4676, 43090), (4865, 41416), (5177, 38920), (5560, 36239), (5845, 34472), (6680, 30163), (7784, 25885), (8618, 23380), (8680, 23213), (9352, 21545), (9730, 20708), (10354, 19460), (11690, 17236)]