202902440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:403

約数の個数: 128

約数和(自身を含む): 521579520

約数和(自身を除く): 318677080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 41, 52, 62, 65, 82, 104, 124, 130, 155, 164, 205, 248, 260, 307, 310, 328, 403, 410, 520, 533, 614, 620, 806, 820, 1066, 1228, 1240, 1271, 1535, 1612, 1640, 2015, 2132, 2456, 2542, 2665, 3070, 3224, 3991, 4030, 4264, 5084, 5330, 6140, 6355, 7982, 8060, 9517, 10168, 10660, 12280, 12587, 12710, 15964, 16120, 16523, 19034, 19955, 21320, 25174, 25420, 31928, 33046, 38068, 39910, 47585, 50348, 50840, 62935, 66092, 76136, 79820, 82615, 95170, 100696, 123721, 125870, 132184, 159640, 163631, 165230, 190340, 247442, 251740, 327262, 330460, 380680, 390197, 494884, 503480, 618605, 654524, 660920, 780394, 818155, 989768, 1237210, 1309048, 1560788, 1636310, 1950985, 2474420, 3121576, 3272620, 3901970, 4948840, 5072561, 6545240, 7803940, 10145122, 15607880, 20290244, 25362805, 40580488, 50725610, 101451220, 202902440]

約数ペア:

[(1, 202902440), (2, 101451220), (4, 50725610), (5, 40580488), (8, 25362805), (10, 20290244), (13, 15607880), (20, 10145122), (26, 7803940), (31, 6545240), (40, 5072561), (41, 4948840), (52, 3901970), (62, 3272620), (65, 3121576), (82, 2474420), (104, 1950985), (124, 1636310), (130, 1560788), (155, 1309048), (164, 1237210), (205, 989768), (248, 818155), (260, 780394), (307, 660920), (310, 654524), (328, 618605), (403, 503480), (410, 494884), (520, 390197), (533, 380680), (614, 330460), (620, 327262), (806, 251740), (820, 247442), (1066, 190340), (1228, 165230), (1240, 163631), (1271, 159640), (1535, 132184), (1612, 125870), (1640, 123721), (2015, 100696), (2132, 95170), (2456, 82615), (2542, 79820), (2665, 76136), (3070, 66092), (3224, 62935), (3991, 50840), (4030, 50348), (4264, 47585), (5084, 39910), (5330, 38068), (6140, 33046), (6355, 31928), (7982, 25420), (8060, 25174), (9517, 21320), (10168, 19955), (10660, 19034), (12280, 16523), (12587, 16120), (12710, 15964)]