388620650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1068

約数の個数: 96

約数和(自身を含む): 850231296

約数和(自身を除く): 461610646

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 31, 46, 50, 55, 62, 110, 115, 155, 230, 253, 275, 310, 341, 506, 550, 575, 682, 713, 775, 991, 1150, 1265, 1426, 1550, 1705, 1982, 2530, 3410, 3565, 4955, 6325, 7130, 7843, 8525, 9910, 10901, 12650, 15686, 17050, 17825, 21802, 22793, 24775, 30721, 35650, 39215, 45586, 49550, 54505, 61442, 78430, 109010, 113965, 153605, 196075, 227930, 250723, 272525, 307210, 337931, 392150, 501446, 545050, 569825, 675862, 706583, 768025, 1139650, 1253615, 1413166, 1536050, 1689655, 2507230, 3379310, 3532915, 6268075, 7065830, 7772413, 8448275, 12536150, 15544826, 16896550, 17664575, 35329150, 38862065, 77724130, 194310325, 388620650]

約数ペア:

[(1, 388620650), (2, 194310325), (5, 77724130), (10, 38862065), (11, 35329150), (22, 17664575), (23, 16896550), (25, 15544826), (31, 12536150), (46, 8448275), (50, 7772413), (55, 7065830), (62, 6268075), (110, 3532915), (115, 3379310), (155, 2507230), (230, 1689655), (253, 1536050), (275, 1413166), (310, 1253615), (341, 1139650), (506, 768025), (550, 706583), (575, 675862), (682, 569825), (713, 545050), (775, 501446), (991, 392150), (1150, 337931), (1265, 307210), (1426, 272525), (1550, 250723), (1705, 227930), (1982, 196075), (2530, 153605), (3410, 113965), (3565, 109010), (4955, 78430), (6325, 61442), (7130, 54505), (7843, 49550), (8525, 45586), (9910, 39215), (10901, 35650), (12650, 30721), (15686, 24775), (17050, 22793), (17825, 21802)]