385199880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{246923}}^1$

素因数の和:246950

約数の個数: 64

約数和(自身を含む): 1244496960

約数和(自身を除く): 859297080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 246923, 493846, 740769, 987692, 1234615, 1481538, 1975384, 2469230, 2963076, 3209999, 3703845, 4938460, 5926152, 6419998, 7407690, 9629997, 9876920, 12839996, 14815380, 16049995, 19259994, 25679992, 29630760, 32099990, 38519988, 48149985, 64199980, 77039976, 96299970, 128399960, 192599940, 385199880]

約数ペア:

[(1, 385199880), (2, 192599940), (3, 128399960), (4, 96299970), (5, 77039976), (6, 64199980), (8, 48149985), (10, 38519988), (12, 32099990), (13, 29630760), (15, 25679992), (20, 19259994), (24, 16049995), (26, 14815380), (30, 12839996), (39, 9876920), (40, 9629997), (52, 7407690), (60, 6419998), (65, 5926152), (78, 4938460), (104, 3703845), (120, 3209999), (130, 2963076), (156, 2469230), (195, 1975384), (260, 1481538), (312, 1234615), (390, 987692), (520, 740769), (780, 493846), (1560, 246923)]