2124980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{743}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 5249664

約数和(自身を除く): 3124684

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 743, 1430, 1486, 2860, 2972, 3715, 7430, 8173, 9659, 14860, 16346, 19318, 32692, 38636, 40865, 48295, 81730, 96590, 106249, 163460, 193180, 212498, 424996, 531245, 1062490, 2124980]

約数ペア:

[(1, 2124980), (2, 1062490), (4, 531245), (5, 424996), (10, 212498), (11, 193180), (13, 163460), (20, 106249), (22, 96590), (26, 81730), (44, 48295), (52, 40865), (55, 38636), (65, 32692), (110, 19318), (130, 16346), (143, 14860), (220, 9659), (260, 8173), (286, 7430), (572, 3715), (715, 2972), (743, 2860), (1430, 1486)]