39881940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{353}}^1$

素因数の和:641

約数の個数: 96

約数和(自身を含む): 128459520

約数和(自身を除く): 88577580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 269, 353, 420, 538, 706, 807, 1059, 1076, 1345, 1412, 1614, 1765, 1883, 2118, 2471, 2690, 3228, 3530, 3766, 4035, 4236, 4942, 5295, 5380, 5649, 7060, 7413, 7532, 8070, 9415, 9884, 10590, 11298, 12355, 14826, 16140, 18830, 21180, 22596, 24710, 28245, 29652, 37065, 37660, 49420, 56490, 74130, 94957, 112980, 148260, 189914, 284871, 379828, 474785, 569742, 664699, 949570, 1139484, 1329398, 1424355, 1899140, 1994097, 2658796, 2848710, 3323495, 3988194, 5697420, 6646990, 7976388, 9970485, 13293980, 19940970, 39881940]

約数ペア:

[(1, 39881940), (2, 19940970), (3, 13293980), (4, 9970485), (5, 7976388), (6, 6646990), (7, 5697420), (10, 3988194), (12, 3323495), (14, 2848710), (15, 2658796), (20, 1994097), (21, 1899140), (28, 1424355), (30, 1329398), (35, 1139484), (42, 949570), (60, 664699), (70, 569742), (84, 474785), (105, 379828), (140, 284871), (210, 189914), (269, 148260), (353, 112980), (420, 94957), (538, 74130), (706, 56490), (807, 49420), (1059, 37660), (1076, 37065), (1345, 29652), (1412, 28245), (1614, 24710), (1765, 22596), (1883, 21180), (2118, 18830), (2471, 16140), (2690, 14826), (3228, 12355), (3530, 11298), (3766, 10590), (4035, 9884), (4236, 9415), (4942, 8070), (5295, 7532), (5380, 7413), (5649, 7060)]