28797230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 36521170

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 149, 154, 251, 298, 385, 502, 745, 770, 1043, 1255, 1490, 1639, 1757, 2086, 2510, 2761, 3278, 3514, 5215, 5522, 8195, 8785, 10430, 11473, 13805, 16390, 17570, 19327, 22946, 27610, 37399, 38654, 57365, 74798, 96635, 114730, 186995, 193270, 261793, 373990, 411389, 523586, 822778, 1308965, 2056945, 2617930, 2879723, 4113890, 5759446, 14398615, 28797230]

約数ペア:

[(1, 28797230), (2, 14398615), (5, 5759446), (7, 4113890), (10, 2879723), (11, 2617930), (14, 2056945), (22, 1308965), (35, 822778), (55, 523586), (70, 411389), (77, 373990), (110, 261793), (149, 193270), (154, 186995), (251, 114730), (298, 96635), (385, 74798), (502, 57365), (745, 38654), (770, 37399), (1043, 27610), (1255, 22946), (1490, 19327), (1639, 17570), (1757, 16390), (2086, 13805), (2510, 11473), (2761, 10430), (3278, 8785), (3514, 8195), (5215, 5522)]