28949700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{571}}^1$

素因数の和:614

約数の個数: 108

約数和(自身を含む): 90858768

約数和(自身を除く): 61909068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 169, 195, 260, 300, 325, 338, 390, 507, 571, 650, 676, 780, 845, 975, 1014, 1142, 1300, 1690, 1713, 1950, 2028, 2284, 2535, 2855, 3380, 3426, 3900, 4225, 5070, 5710, 6852, 7423, 8450, 8565, 10140, 11420, 12675, 14275, 14846, 16900, 17130, 22269, 25350, 28550, 29692, 34260, 37115, 42825, 44538, 50700, 57100, 74230, 85650, 89076, 96499, 111345, 148460, 171300, 185575, 192998, 222690, 289497, 371150, 385996, 445380, 482495, 556725, 578994, 742300, 964990, 1113450, 1157988, 1447485, 1929980, 2226900, 2412475, 2894970, 4824950, 5789940, 7237425, 9649900, 14474850, 28949700]

約数ペア:

[(1, 28949700), (2, 14474850), (3, 9649900), (4, 7237425), (5, 5789940), (6, 4824950), (10, 2894970), (12, 2412475), (13, 2226900), (15, 1929980), (20, 1447485), (25, 1157988), (26, 1113450), (30, 964990), (39, 742300), (50, 578994), (52, 556725), (60, 482495), (65, 445380), (75, 385996), (78, 371150), (100, 289497), (130, 222690), (150, 192998), (156, 185575), (169, 171300), (195, 148460), (260, 111345), (300, 96499), (325, 89076), (338, 85650), (390, 74230), (507, 57100), (571, 50700), (650, 44538), (676, 42825), (780, 37115), (845, 34260), (975, 29692), (1014, 28550), (1142, 25350), (1300, 22269), (1690, 17130), (1713, 16900), (1950, 14846), (2028, 14275), (2284, 12675), (2535, 11420), (2855, 10140), (3380, 8565), (3426, 8450), (3900, 7423), (4225, 6852), (5070, 5710)]