394777980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{571}}^1$

素因数の和:776

約数の個数: 144

約数和(自身を含む): 1259241984

約数和(自身を除く): 864464004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 167, 180, 207, 230, 276, 334, 345, 414, 460, 501, 571, 668, 690, 828, 835, 1002, 1035, 1142, 1380, 1503, 1670, 1713, 2004, 2070, 2284, 2505, 2855, 3006, 3340, 3426, 3841, 4140, 5010, 5139, 5710, 6012, 6852, 7515, 7682, 8565, 10020, 10278, 11420, 11523, 13133, 15030, 15364, 17130, 19205, 20556, 23046, 25695, 26266, 30060, 34260, 34569, 38410, 39399, 46092, 51390, 52532, 57615, 65665, 69138, 76820, 78798, 95357, 102780, 115230, 118197, 131330, 138276, 157596, 172845, 190714, 196995, 230460, 236394, 262660, 286071, 345690, 381428, 393990, 472788, 476785, 572142, 590985, 691380, 787980, 858213, 953570, 1144284, 1181970, 1430355, 1716426, 1907140, 2193211, 2363940, 2860710, 3432852, 4291065, 4386422, 5721420, 6579633, 8582130, 8772844, 10966055, 13159266, 17164260, 19738899, 21932110, 26318532, 32898165, 39477798, 43864220, 65796330, 78955596, 98694495, 131592660, 197388990, 394777980]

約数ペア:

[(1, 394777980), (2, 197388990), (3, 131592660), (4, 98694495), (5, 78955596), (6, 65796330), (9, 43864220), (10, 39477798), (12, 32898165), (15, 26318532), (18, 21932110), (20, 19738899), (23, 17164260), (30, 13159266), (36, 10966055), (45, 8772844), (46, 8582130), (60, 6579633), (69, 5721420), (90, 4386422), (92, 4291065), (115, 3432852), (138, 2860710), (167, 2363940), (180, 2193211), (207, 1907140), (230, 1716426), (276, 1430355), (334, 1181970), (345, 1144284), (414, 953570), (460, 858213), (501, 787980), (571, 691380), (668, 590985), (690, 572142), (828, 476785), (835, 472788), (1002, 393990), (1035, 381428), (1142, 345690), (1380, 286071), (1503, 262660), (1670, 236394), (1713, 230460), (2004, 196995), (2070, 190714), (2284, 172845), (2505, 157596), (2855, 138276), (3006, 131330), (3340, 118197), (3426, 115230), (3841, 102780), (4140, 95357), (5010, 78798), (5139, 76820), (5710, 69138), (6012, 65665), (6852, 57615), (7515, 52532), (7682, 51390), (8565, 46092), (10020, 39399), (10278, 38410), (11420, 34569), (11523, 34260), (13133, 30060), (15030, 26266), (15364, 25695), (17130, 23046), (19205, 20556)]