287923660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:455

約数の個数: 96

約数和(自身を含む): 663957504

約数和(自身を除く): 376033844

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 61, 62, 92, 115, 122, 124, 155, 230, 244, 305, 310, 331, 460, 610, 620, 662, 713, 1220, 1324, 1403, 1426, 1655, 1891, 2806, 2852, 3310, 3565, 3782, 5612, 6620, 7015, 7130, 7564, 7613, 9455, 10261, 14030, 14260, 15226, 18910, 20191, 20522, 28060, 30452, 37820, 38065, 40382, 41044, 43493, 51305, 76130, 80764, 86986, 100955, 102610, 152260, 173972, 201910, 205220, 217465, 236003, 403820, 434930, 464393, 472006, 625921, 869860, 928786, 944012, 1180015, 1251842, 1857572, 2321965, 2360030, 2503684, 3129605, 4643930, 4720060, 6259210, 9287860, 12518420, 14396183, 28792366, 57584732, 71980915, 143961830, 287923660]

約数ペア:

[(1, 287923660), (2, 143961830), (4, 71980915), (5, 57584732), (10, 28792366), (20, 14396183), (23, 12518420), (31, 9287860), (46, 6259210), (61, 4720060), (62, 4643930), (92, 3129605), (115, 2503684), (122, 2360030), (124, 2321965), (155, 1857572), (230, 1251842), (244, 1180015), (305, 944012), (310, 928786), (331, 869860), (460, 625921), (610, 472006), (620, 464393), (662, 434930), (713, 403820), (1220, 236003), (1324, 217465), (1403, 205220), (1426, 201910), (1655, 173972), (1891, 152260), (2806, 102610), (2852, 100955), (3310, 86986), (3565, 80764), (3782, 76130), (5612, 51305), (6620, 43493), (7015, 41044), (7130, 40382), (7564, 38065), (7613, 37820), (9455, 30452), (10261, 28060), (14030, 20522), (14260, 20191), (15226, 18910)]