78238550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:282

約数の個数: 72

約数和(自身を含む): 161748576

約数和(自身を除く): 83510026

約数列:

[1, 2, 5, 10, 13, 25, 26, 47, 50, 65, 94, 130, 169, 197, 235, 325, 338, 394, 470, 611, 650, 845, 985, 1175, 1222, 1690, 1970, 2350, 2561, 3055, 4225, 4925, 5122, 6110, 7943, 8450, 9259, 9850, 12805, 15275, 15886, 18518, 25610, 30550, 33293, 39715, 46295, 64025, 66586, 79430, 92590, 120367, 128050, 166465, 198575, 231475, 240734, 332930, 397150, 462950, 601835, 832325, 1203670, 1564771, 1664650, 3009175, 3129542, 6018350, 7823855, 15647710, 39119275, 78238550]

約数ペア:

[(1, 78238550), (2, 39119275), (5, 15647710), (10, 7823855), (13, 6018350), (25, 3129542), (26, 3009175), (47, 1664650), (50, 1564771), (65, 1203670), (94, 832325), (130, 601835), (169, 462950), (197, 397150), (235, 332930), (325, 240734), (338, 231475), (394, 198575), (470, 166465), (611, 128050), (650, 120367), (845, 92590), (985, 79430), (1175, 66586), (1222, 64025), (1690, 46295), (1970, 39715), (2350, 33293), (2561, 30550), (3055, 25610), (4225, 18518), (4925, 15886), (5122, 15275), (6110, 12805), (7943, 9850), (8450, 9259)]