551478980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{124769}}^1$

素因数の和:124808

約数の個数: 48

約数和(自身を含む): 1320565680

約数和(自身を除く): 769086700

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 124769, 249538, 499076, 623845, 1247690, 1621997, 2121073, 2495380, 3243994, 4242146, 6487988, 8109985, 8484292, 10605365, 16219970, 21210730, 27573949, 32439940, 42421460, 55147898, 110295796, 137869745, 275739490, 551478980]

約数ペア:

[(1, 551478980), (2, 275739490), (4, 137869745), (5, 110295796), (10, 55147898), (13, 42421460), (17, 32439940), (20, 27573949), (26, 21210730), (34, 16219970), (52, 10605365), (65, 8484292), (68, 8109985), (85, 6487988), (130, 4242146), (170, 3243994), (221, 2495380), (260, 2121073), (340, 1621997), (442, 1247690), (884, 623845), (1105, 499076), (2210, 249538), (4420, 124769)]