4202900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 10171224

約数和(自身を除く): 5968324

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 53, 61, 65, 100, 106, 122, 130, 212, 244, 260, 265, 305, 325, 530, 610, 650, 689, 793, 1060, 1220, 1300, 1325, 1378, 1525, 1586, 2650, 2756, 3050, 3172, 3233, 3445, 3965, 5300, 6100, 6466, 6890, 7930, 12932, 13780, 15860, 16165, 17225, 19825, 32330, 34450, 39650, 42029, 64660, 68900, 79300, 80825, 84058, 161650, 168116, 210145, 323300, 420290, 840580, 1050725, 2101450, 4202900]

約数ペア:

[(1, 4202900), (2, 2101450), (4, 1050725), (5, 840580), (10, 420290), (13, 323300), (20, 210145), (25, 168116), (26, 161650), (50, 84058), (52, 80825), (53, 79300), (61, 68900), (65, 64660), (100, 42029), (106, 39650), (122, 34450), (130, 32330), (212, 19825), (244, 17225), (260, 16165), (265, 15860), (305, 13780), (325, 12932), (530, 7930), (610, 6890), (650, 6466), (689, 6100), (793, 5300), (1060, 3965), (1220, 3445), (1300, 3233), (1325, 3172), (1378, 3050), (1525, 2756), (1586, 2650)]