240344020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{10663}}^1$

素因数の和:10709

約数の個数: 72

約数和(自身を含む): 612710784

約数和(自身を除く): 372366764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 10663, 11270, 21326, 22540, 42652, 53315, 74641, 106630, 149282, 213260, 245249, 298564, 373205, 490498, 522487, 746410, 980996, 1044974, 1226245, 1492820, 1716743, 2089948, 2452490, 2612435, 3433486, 4904980, 5224870, 6866972, 8583715, 10449740, 12017201, 17167430, 24034402, 34334860, 48068804, 60086005, 120172010, 240344020]

約数ペア:

[(1, 240344020), (2, 120172010), (4, 60086005), (5, 48068804), (7, 34334860), (10, 24034402), (14, 17167430), (20, 12017201), (23, 10449740), (28, 8583715), (35, 6866972), (46, 5224870), (49, 4904980), (70, 3433486), (92, 2612435), (98, 2452490), (115, 2089948), (140, 1716743), (161, 1492820), (196, 1226245), (230, 1044974), (245, 980996), (322, 746410), (460, 522487), (490, 490498), (644, 373205), (805, 298564), (980, 245249), (1127, 213260), (1610, 149282), (2254, 106630), (3220, 74641), (4508, 53315), (5635, 42652), (10663, 22540), (11270, 21326)]