248840340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31183}}^1$

素因数の和:31221

約数の個数: 96

約数和(自身を含む): 838225920

約数和(自身を除く): 589385580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 31183, 62366, 93549, 124732, 155915, 187098, 218281, 311830, 374196, 436562, 467745, 592477, 623660, 654843, 873124, 935490, 1091405, 1184954, 1309686, 1777431, 1870980, 2182810, 2369908, 2619372, 2962385, 3274215, 3554862, 4147339, 4365620, 5924770, 6548430, 7109724, 8294678, 8887155, 11849540, 12442017, 13096860, 16589356, 17774310, 20736695, 24884034, 35548620, 41473390, 49768068, 62210085, 82946780, 124420170, 248840340]

約数ペア:

[(1, 248840340), (2, 124420170), (3, 82946780), (4, 62210085), (5, 49768068), (6, 41473390), (7, 35548620), (10, 24884034), (12, 20736695), (14, 17774310), (15, 16589356), (19, 13096860), (20, 12442017), (21, 11849540), (28, 8887155), (30, 8294678), (35, 7109724), (38, 6548430), (42, 5924770), (57, 4365620), (60, 4147339), (70, 3554862), (76, 3274215), (84, 2962385), (95, 2619372), (105, 2369908), (114, 2182810), (133, 1870980), (140, 1777431), (190, 1309686), (210, 1184954), (228, 1091405), (266, 935490), (285, 873124), (380, 654843), (399, 623660), (420, 592477), (532, 467745), (570, 436562), (665, 374196), (798, 311830), (1140, 218281), (1330, 187098), (1596, 155915), (1995, 124732), (2660, 93549), (3990, 62366), (7980, 31183)]